APA (7th ed.) Citation

Kelsey, L. D., & Hearne, C. C. (1949). Cooperative extension work. Comstock Pub. Co..

Chicago Style (17th ed.) Citation

Kelsey, Lincoln David, and Cannon Chiles Hearne. Cooperative Extension Work. Ithaca, N.Y.: Comstock Pub. Co., 1949.

MLA (8th ed.) Citation

Kelsey, Lincoln David, and Cannon Chiles Hearne. Cooperative Extension Work. Comstock Pub. Co., 1949.