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.
Precaución: Estas citas no son 100% exactas.