APA (7th ed.) Citation

United States. Office of Cooperative Extension Work. (1928). Extension pathologist. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work. Extension Pathologist. [Washington]: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work. Extension Pathologist. [publisher not identified], 1928.

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