APA (7th ed.) Citation

Mueller, A. D. (1940). Principles and methods in adult education. Prentice-Hall, inc..

Chicago Style (17th ed.) Citation

Mueller, A. D. Principles and Methods in Adult Education. New York: Prentice-Hall, inc., 1940.

MLA (9th ed.) Citation

Mueller, A. D. Principles and Methods in Adult Education. Prentice-Hall, inc., 1940.