Cita APA (7a ed.)

Howard, A. (1975). The soil and health: A study of organic agriculture (2. print.). Schocken Books.

Cita Chicago Style (17a ed.)

Howard, Albert. The Soil and Health: A Study of Organic Agriculture. 2. print. New York: Schocken Books, 1975.

Cita MLA (9a ed.)

Howard, Albert. The Soil and Health: A Study of Organic Agriculture. 2. print. Schocken Books, 1975.