Cita APA (7th ed.)

Fanning, D. S., & Fanning, M. C. B. (1989). Soil: Morphology, genesis, and classification. Wiley.

Cita Chicago (17th ed.)

Fanning, Delvin S., i Mary Christine Balluff Fanning. Soil: Morphology, Genesis, and Classification. New York: Wiley, 1989.

Cita MLA (9th ed.)

Fanning, Delvin S., i Mary Christine Balluff Fanning. Soil: Morphology, Genesis, and Classification. Wiley, 1989.