APA Citation

De Ropp, R. S., & De Ropp, R. S. (1969). Sex energy: The sexual force in man and animals. New York, New York: Delacorte Press.

Chicago Style Citation

De Ropp, Robert S., and Robert S. De Ropp. Sex Energy: The Sexual Force in Man and Animals. New York, New York: Delacorte Press, 1969.

MLA Citation

De Ropp, Robert S., and Robert S. De Ropp. Sex Energy: The Sexual Force in Man and Animals. New York, New York: Delacorte Press, 1969.

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