Cita APA (7a ed.)

Buol, S. W., Hole, F. D., & McCracken, R. J. (1973). Soil genesis and classification. Iowa State University Press.

Cita Chicago Style (17a ed.)

Buol, S. W., Francis Doan Hole, y R. J. McCracken. Soil Genesis and Classification. Ames: Iowa State University Press, 1973.

Cita MLA (9a ed.)

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