APA (7th ed.) Citation

Kelsey, L. D. (1949). Cooperative extension work. Comstock.

Chicago Style (17th ed.) Citation

Kelsey, Lincoln D. Cooperative Extension Work. Ithaca, NY: Comstock, 1949.

MLA (9th ed.) Citation

Kelsey, Lincoln D. Cooperative Extension Work. Comstock, 1949.

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