Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Fanning, Delvin Seymour, y Mary Christine Baluff Fanning. Soil: Morphology, Genesis and Classification. New York [etc.]: Wiley & Sons, 1989.

Cita MLA (9a ed.)

Fanning, Delvin Seymour, y Mary Christine Baluff Fanning. Soil: Morphology, Genesis and Classification. Wiley & Sons, 1989.