APA (7th ed.) Citation

Hutchins, R. M., & Adler, M. J. (1961). The great ideas today. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Hutchins, Robert Maynard, and Mortimer Jerome Adler. The Great Ideas Today. Chicago: Encyclopedia Britannica, 1961.

MLA (9th ed.) Citation

Hutchins, Robert Maynard, and Mortimer Jerome Adler. The Great Ideas Today. Encyclopedia Britannica, 1961.