APA (7th ed.) Citation

Calkin, L. R. P., & Kraemer, A. J. (1925). Properties of typical crude oils from producing fields of Western Hemisphere. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Calkin, Le Roy. P., and A. J. Kraemer. Properties of Typical Crude Oils from Producing Fields of Western Hemisphere. [Washington?]: U.S. Government Printing Office, 1925.

MLA (9th ed.) Citation

Calkin, Le Roy. P., and A. J. Kraemer. Properties of Typical Crude Oils from Producing Fields of Western Hemisphere. U.S. Government Printing Office, 1925.