APA (7th ed.) Citation

McColm, G. L. (1948). Crop growing season map of South Viet-nam. S. Vietnam USAID.

Chicago Style (17th ed.) Citation

McColm, George L. Crop Growing Season Map of South Viet-nam. [Washington?]: S. Vietnam USAID, 1948.

MLA (9th ed.) Citation

McColm, George L. Crop Growing Season Map of South Viet-nam. S. Vietnam USAID, 1948.

Warning: These citations may not always be 100% accurate.