Cita APA (7a ed.)

Buol, S., Hole, F., & McCracken, R. (1973). Soil genesis and classification (1st edition.). Iowa State University Press.

Cita Chicago Style (17a ed.)

Buol, S.W, F.D Hole, y R.J McCracken. Soil Genesis and Classification. 1st edition. Ames: Iowa State University Press, 1973.

Cita MLA (8a ed.)

Buol, S.W, et al. Soil Genesis and Classification. 1st edition. Iowa State University Press, 1973.