APA (7th ed.) Citation

Hamilton Jr., W. J. (1939). American mammals: Their lives, habits, and economic relation. McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

Hamilton Jr., William John. American Mammals: Their Lives, Habits, and Economic Relation. New York: McGraw-Hill Book Co., Inc, 1939.

MLA (9th ed.) Citation

Hamilton Jr., William John. American Mammals: Their Lives, Habits, and Economic Relation. McGraw-Hill Book Co., Inc, 1939.