Book chapters are downloadable to PDAs and smartphones.
These links go to APA's official examples of how to reference and cite diagnostic manuals. Check with your academic program administrators and professors to determine which edition of the style you should be using.
Publication Manual of the American Psychological Association, Sixth Edition (2010)
How to Cite the DSM–5 in APA Style
(APA Blog: This post was updated to reflect needed revisions. There is no DOI for the entire DSM–5; each chapter has its own DOI. Place of publication is also correct as of 2014.)
Publication Manual of the American Psychological Association, Seventh Edition (2020)
Diagnostic Manual References
"This page contains reference examples for common diagnostic manuals including the DSM."
"Most abbreviations must be defined (explained) in an APA Style paper upon first use. However, it is also important to consider overall level of use of abbreviations in a paper to ensure you are using neither too many nor too few abbreviations."