APA (7th ed.) Citation
Busch, D. D., & Simon, D. (2011). David Busch's Olympus Pen EP-2 guide to digital photography. Course Technology PTR, a part of Cengage Learning.
Chicago Style (17th ed.) Citation
Busch, David D., and Dan Simon. David Busch's Olympus Pen EP-2 Guide to Digital Photography. Boston, Mass.: Course Technology PTR, a part of Cengage Learning, 2011.
MLA (9th ed.) Citation
Busch, David D., and Dan Simon. David Busch's Olympus Pen EP-2 Guide to Digital Photography. Course Technology PTR, a part of Cengage Learning, 2011.
Warning: These citations may not always be 100% accurate.