Cita APA (7th ed.)

Hedges, T. R. 1., & Sitton, G. R. 1. (1956). Farm management manual, a guide to recognizing a farm. National Press.

Cita Chicago (17th ed.)

Hedges, Trimble Raymond 1906, i Gordon Russell 1916 Sitton. Farm Management Manual, a Guide to Recognizing a Farm. Palo Alto, Calif: National Press, 1956.

Cita MLA (9th ed.)

Hedges, Trimble Raymond 1906, i Gordon Russell 1916 Sitton. Farm Management Manual, a Guide to Recognizing a Farm. National Press, 1956.