APA (7th ed.) Citation

Geological Survey (U.S.), Staack, J. G., & Hassan, A. F. (1934). Ohio (Edition of 1915, repr. 1934.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), J. G. Staack, and A. F. Hassan. Ohio. Edition of 1915, repr. 1934. [Washington]: U.S. Geological Survey, 1934.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Ohio. Edition of 1915, repr. 1934. U.S. Geological Survey, 1934.