Cita APA

Miller, G. A. (1987). Historical aspects of soil survey and soil classification. Estados Unidos de América: American Society of Agronomy.

Citación estilo Chicago

Miller, Gerald A.. Historical Aspects of Soil Survey and Soil Classification. Estados Unidos de América: American Society of Agronomy, 1987.

Cita MLA

Miller, Gerald A.. Historical Aspects of Soil Survey and Soil Classification. Estados Unidos de América: American Society of Agronomy, 1987.