Cita APA

Pettingill, O. S. (1985). Ornithology: In laboratory and field (Ed.4.).

Citación estilo Chicago

Pettingill, Olin Sewall. Ornithology: In Laboratory and Field. Ed.4. New Delhi, Surjeet Publications, 1985.

Cita MLA

Pettingill, Olin Sewall. Ornithology: In Laboratory and Field. Ed.4. 1985.

Warning: These citations may not always be 100% accurate.