APA (7th ed.) Citation

Pettingill, O. S., & Breckenridge, W. J. (1996). Ornithology in laboratory and field (5th ed.). Academic.

Chicago Style (17th ed.) Citation

Pettingill, Olin Sewall, and Walter John Breckenridge. Ornithology in Laboratory and Field. 5th ed. San Diego: Academic, 1996.

MLA (9th ed.) Citation

Pettingill, Olin Sewall, and Walter John Breckenridge. Ornithology in Laboratory and Field. 5th ed. Academic, 1996.