APA (7th ed.) Citation

Keppel, F. P. (1926). Education for adults, and other essays. Columbia University Press.

Chicago Style (17th ed.) Citation

Keppel, Frederick Paul. Education for Adults, and Other Essays. New York: Columbia University Press, 1926.

MLA (9th ed.) Citation

Keppel, Frederick Paul. Education for Adults, and Other Essays. Columbia University Press, 1926.