APA (7th ed.) Citation

Kelsey, L. D., & Hearne, C. C. (1963). Cooperative extension work (3rd ed.). Comstock Pub.

Chicago Style (17th ed.) Citation

Kelsey, Lincoln David, and Cannon Chiles Hearne. Cooperative Extension Work. 3rd ed. Ithaca, N.Y: Comstock Pub, 1963.

MLA (9th ed.) Citation

Kelsey, Lincoln David, and Cannon Chiles Hearne. Cooperative Extension Work. 3rd ed. Comstock Pub, 1963.