When referencing a book with three or more authors for the first time in an in-text citation, which format should be used? choose the correct answer from the options below

a.
Include all the authors' names separated by commas, joined by 'and,' and followed by the publication year in parentheses.

b.
Use the first author's surname followed by the abbreviation "et al." and the publication year in parentheses.

c.
Mention only the first author's name and omit the rest of the authors, followed by the abbreviation "et al." and the publication year in parentheses.

d.
List the authors' initials followed by "and others" and the publication year in parentheses.

b. Use the first author's surname followed by the abbreviation "et al." and the publication year in parentheses.

b. Use the first author's surname followed by the abbreviation "et al." and the publication year in parentheses.