APA (7th ed.) Citation

Pettingill, O. S. (1956). A laboratory and field manual of ornithology (ed ed.). Burgess Publishing.

Chicago Style (17th ed.) Citation

Pettingill, Olin Sewall. A Laboratory and Field Manual of Ornithology. ed ed. 426 South Sixth St. Minneapolis: Burgess Publishing, 1956.

MLA (9th ed.) Citation

Pettingill, Olin Sewall. A Laboratory and Field Manual of Ornithology. ed ed. Burgess Publishing, 1956.