APA (7th ed.) Citation

Krogh, D. (2002). Biology: A guide to the natural world (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Krogh, David. Biology: A Guide to the Natural World. 2nd ed. Upper Saddle Riever, New Jersey: Prentice Hall, 2002.

MLA (9th ed.) Citation

Krogh, David. Biology: A Guide to the Natural World. 2nd ed. Prentice Hall, 2002.