APA Edition Citation

Perry, R. B. (1972). Present philosophical tendencies. Greenwood Press.

Chicago Edition Citation

Perry, Ralph Barton. Present Philosophical Tendencies. New York: Greenwood Press, 1972.

MLA Edition Citation

Perry, Ralph Barton. Present Philosophical Tendencies. Greenwood Press, 1972.

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