Παραπομπή σε μορφή APA (7η εκδ.)

Kelsey, L. D., & Hearne, C. C. (1955). Cooperative extension work (2nd ed.). Comstock Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kelsey, Lincoln David, και Cannon Chiles Hearne. Cooperative Extension Work. 2nd ed. Ithaca, New York: Comstock Publishing, 1955.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kelsey, Lincoln David, και Cannon Chiles Hearne. Cooperative Extension Work. 2nd ed. Comstock Publishing, 1955.