APA Edition Citation

hearne, Chiles Cannon, David, & Lincoln David Kelsey. (1963). Cooperative extension work. Comstock publishing associates.

Chicago Edition Citation

hearne, Chiles Cannon, David, and Lincoln David Kelsey. Cooperative Extension Work. Comstock publishing associates, 1963.

MLA Edition Citation

hearne, et al. Cooperative Extension Work. Comstock publishing associates, 1963.

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