APA (7th ed.) Citation

Anon, E., & Grey, T. (2007). Photoshop CS3 for nature photographers: A workshop in a book. Wiley Publishing.

Chicago Style (17th ed.) Citation

Anon, Ellen, and Tim Grey. Photoshop CS3 for Nature Photographers: A Workshop in a Book. Hoboken, N.J.: Wiley Publishing, 2007.

MLA (9th ed.) Citation

Anon, Ellen, and Tim Grey. Photoshop CS3 for Nature Photographers: A Workshop in a Book. Wiley Publishing, 2007.