APA (7th ed.) Citation

Ray, R. G. (1960). Aerial photographs in geologic interpretation and mapping. United States Government Printing Office.

Chicago Style (17th ed.) Citation

Ray, Richard G. Aerial Photographs in Geologic Interpretation and Mapping. Washington, D.C.: United States Government Printing Office, 1960.

MLA (8th ed.) Citation

Ray, Richard G. Aerial Photographs in Geologic Interpretation and Mapping. United States Government Printing Office, 1960.