Cita APA (7a ed.)

Adler, M. J., & Gorman, W. (1971). The great ideas: A syntopicon of Great books of the Western World. Encyclopaedia Britannica.

Cita Chicago Style (17a ed.)

Adler, Mortimer Jerome, y William Gorman. The Great Ideas: A Syntopicon of Great Books of the Western World. Chicago [etc.]: Encyclopaedia Britannica, 1971.

Cita MLA (9a ed.)

Adler, Mortimer Jerome, y William Gorman. The Great Ideas: A Syntopicon of Great Books of the Western World. Encyclopaedia Britannica, 1971.