APA (7th ed.) Citation

Hegner, R. W. (1951). College Zoology (Sixth edition.). Macmillan.

Chicago Style (17th ed.) Citation

Hegner, Robert William. College Zoology. Sixth edition. New York: Macmillan, 1951.

MLA (9th ed.) Citation

Hegner, Robert William. College Zoology. Sixth edition. Macmillan, 1951.

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