Cita APA

Hopkins, C. G. (1910). Soil fertility and permanent agriculture. Ginn.

Citación estilo Chicago

Hopkins, Cyril G. Soil Fertility and Permanent Agriculture. Boston, New York: Ginn, 1910.

Cita MLA

Hopkins, Cyril G. Soil Fertility and Permanent Agriculture. Ginn, 1910.

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