APA (7th ed.) Citation

Orr, R. T. (1971). Vertebrate biology (3d ed.). Saunders College Publishing.

Chicago Style (17th ed.) Citation

Orr, Robert Thomas. Vertebrate Biology. 3d ed. Philadelphia: Saunders College Publishing, 1971.

MLA (9th ed.) Citation

Orr, Robert Thomas. Vertebrate Biology. 3d ed. Saunders College Publishing, 1971.

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