APA (7th ed.) Citation

Shull, F. A. (1946). Principles of animal biology (6th ed.). McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

Shull, Franklin A. Principles of Animal Biology. 6th ed. New York: McGraw-Hill Book Co., Inc, 1946.

MLA (9th ed.) Citation

Shull, Franklin A. Principles of Animal Biology. 6th ed. McGraw-Hill Book Co., Inc, 1946.