APA (7th ed.) Citation

Leopold, A. (1931). Report on a game survey of the north central states. [Democrat printing company, printers].

Chicago Style (17th ed.) Citation

Leopold, Aldo. Report on a Game Survey of the North Central States. Madison, Wis.: [Democrat printing company, printers], 1931.

MLA (9th ed.) Citation

Leopold, Aldo. Report on a Game Survey of the North Central States. [Democrat printing company, printers], 1931.