When citing the DSM-IV-TR in a paper. Is it written in it's abbreviated form or is the whole thing written out?

What does all that stand for?

Abbreviations and acronyms are treated the same way:

http://www.google.com/search?q=use+of+acronyms+in+apa+style&ie=utf-8&oe=utf-8&aq=t&client=firefox-a&rlz=1R1GGLL_en___US379

APA: http://owl.english.purdue.edu/owl/resource/560/01/

When citing the DSM-IV-TR (Diagnostic and Statistical Manual of Mental Disorders, 4th edition, Text Revision) in a paper, it is important to follow the appropriate citation format. The specific citation style (such as APA, MLA, or Chicago) you are using will dictate how to format it.

In general, when citing the DSM-IV-TR, you can use its abbreviated form after the first full citation. For the first citation in the text, you should write it out in its complete form:

Example: According to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition, Text Revision (DSM-IV-TR)...

For subsequent citations, you may use the abbreviated form:

Example: As stated in the DSM-IV-TR...

It is important to consult the specific citation style guidelines you are using to ensure you follow the correct formatting for in-text citations and the reference list or bibliography.

Remember to double-check your institution or instructor's guidelines as they may have their own preferences on how to cite the DSM-IV-TR or if they require the use of the updated DSM-5 edition.