APA (7th ed.) Citation

Gerlach, J., & Gerlach, B. (2013). Digital wildlife photography (1st edition.). Focal Press.

Chicago Style (17th ed.) Citation

Gerlach, John., and Barbara Gerlach. Digital Wildlife Photography. 1st edition. Burlington, Mass.: Focal Press, 2013.

MLA (9th ed.) Citation

Gerlach, John., and Barbara Gerlach. Digital Wildlife Photography. 1st edition. Focal Press, 2013.