APA (7th ed.) Citation

Packard, A. S. (1887). Zoology (4th ed., rev.). Holt.

Chicago Style (17th ed.) Citation

Packard, A. S. Zoology. 4th ed., rev. New York: Holt, 1887.

MLA (8th ed.) Citation

Packard, A. S. Zoology. 4th ed., rev. Holt, 1887.

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