APA

Coutu A. J., King R. A., . (1969). The agricultural development of Peru. New York: Praeger.

Chicago

Coutu Arthur J, King Richard A, . 1969. The agricultural development of Peru. New York: Praeger.

Harvard

Coutu A. J., King R. A., . (1969). The agricultural development of Peru. New York: Praeger.

MLA

Coutu Arthur J, King Richard A, . The agricultural development of Peru. New York: Praeger. 1969.