APA (7th ed.) Citation

Gill, F. B. (1995). Ornithology (2nd ed.). W.H. Freeman.

Chicago Style (17th ed.) Citation

Gill, Frank B. Ornithology. 2nd ed. New York: W.H. Freeman, 1995.

MLA (9th ed.) Citation

Gill, Frank B. Ornithology. 2nd ed. W.H. Freeman, 1995.