Cita APA

SOPHER, C. D. Soils and soil management. (2nd ed.). c1980.

Citación estilo Chicago

SOPHER, Charles D. Soils and Soil Management. 2nd ed. Virgi-nia: c1980.

Cita MLA

SOPHER, Charles D. Soils and Soil Management. 2nd ed. c1980.

Warning: These citations may not always be 100% accurate.