Notaion for subsequent mulitple authors?

Already answered.

http://www.jiskha.com/display.cgi?id=1260136051

You need to have each source of information cited in TWO places:

1. the Works Cited page that is placed after the last page of your paper, and
2. in parentheses in the text of your paper, immediately after the quotation or paraphrase.

For example, this would go on the Works Cited page (with proper indentation for the second and following lines):

Du Bois, W.E.B. The Souls of Black Folk. Chicago, 1903. Project Bartleby. Ed. Steven van Leeuwen. Dec. 1995. Columbia U. 2 Dec. 2003
<www.cc.columbia.edu/acis/bartleby/dubois/>.

... and this would go immediately after the quotation or whatever:
(Du Bois)

The information in parentheses in the text needs to be as brief as possible. That's why there's a Works Cited page – for all the details of the listing.

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Here's a good place for information on citing in MLA format.

Hold your cursor over the words CITING SOURCES in the left column and then click on whatever type of source you need help with. Many examples will show up. You will get two examples for each type of reference – one for the Works Cited page and one for the parenthetical (in-text) citation.

You can also see what a Works Cited page looks like – click on Sample Works Cited in the left column.

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If you need to cite in APA or another format, go here:

http://nutsandbolts.washcoll.edu/
In the column at the left, scroll down until you see the different topics on evidence and the different styles (MLA, APA, Chicago, etc.).

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This will help you with APA bibliographies.

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Also for APA.

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And here’s an excellent site to give you guidance on how to use quotations well in your papers, long or short: http://www.unc.edu/depts/wcweb/handouts/quotations.html

When citing a source with multiple authors in academic writing, the most commonly used notation is the "et al." (an abbreviation of the Latin phrase et alia, meaning "and others") notation. This notation is particularly used when a source has three or more authors.

To properly use the "et al." notation, follow these steps:

1. List all authors' names for the first citation. For example: Smith, Johnson, Anderson, and Lee.
2. After listing all the authors' names, put a comma and then write "et al." For example: Smith, Johnson, Anderson, et al.
3. In subsequent citations, only list the first author's name, followed by "et al." For example: Smith et al.

Here's an example of how this would look in a bibliography entry:

- First citation: Smith, A., Johnson, B., Anderson, C., & Lee, D.
- Subsequent citations: Smith et al.

Remember, it's always a good idea to consult the specific citation style guide required by your academic institution or publication for precise guidelines on citing multiple authors. Different citation styles might have slight variations in the formatting or use of "et al." notation.