APA

Keller F. S., Ribes Iñesta E., . (1974). Behavior modification: applications to education. New York: Academic Press.

Chicago

Keller Fred Simmons, Ribes Iñesta Emilio, . 1974. Behavior modification: applications to education. New York: Academic Press.

Harvard

Keller F. S., Ribes Iñesta E., . (1974). Behavior modification: applications to education. New York: Academic Press.

MLA

Keller Fred Simmons, Ribes Iñesta Emilio, . Behavior modification: applications to education. New York: Academic Press. 1974.