APA (7th ed.) Citation

Shull, F. (1941). Principles of animal biology (5th ed.). McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

Shull, Franklin. Principles of Animal Biology. 5th ed. New York: McGraw-Hill Book Co., Inc, 1941.

MLA (9th ed.) Citation

Shull, Franklin. Principles of Animal Biology. 5th ed. McGraw-Hill Book Co., Inc, 1941.