APA (7th ed.) Citation

Kilpatrick, W. H. (1969). The educational frontier. Arno Press.

Chicago Style (17th ed.) Citation

Kilpatrick, William Heard. The Educational Frontier. New York: Arno Press, 1969.

MLA (9th ed.) Citation

Kilpatrick, William Heard. The Educational Frontier. Arno Press, 1969.

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