APA (7th ed.) Citation

ProQuest (Firm). (1940). Agricultural compositions and extensions. [publisher not identified].

Chicago Style (17th ed.) Citation

ProQuest (Firm). Agricultural Compositions and Extensions. Washington: [publisher not identified], 1940.

MLA (9th ed.) Citation

ProQuest (Firm). Agricultural Compositions and Extensions. [publisher not identified], 1940.

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