APA Citation

Anon, E., & Anon, J. (2009). Photoshop CS4 for nature photographers: A workshop in a book. Indianapolis, Indiana: Wiley Publishing, Inc..

Chicago Style Citation

Anon, Ellen, and Josh Anon. Photoshop CS4 for Nature Photographers: A Workshop in a Book. Indianapolis, Indiana: Wiley Publishing, Inc., 2009.

MLA Citation

Anon, Ellen, and Josh Anon. Photoshop CS4 for Nature Photographers: A Workshop in a Book. Indianapolis, Indiana: Wiley Publishing, Inc., 2009.

Warning: These citations may not always be 100% accurate.