APA (7th ed.) Citation

Lovejoy, A. O. (1961). The Reason, the Understanding, and Time. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Lovejoy, Arthur O. The Reason, the Understanding, and Time. Baltimore: Johns Hopkins Press, 1961.

MLA (9th ed.) Citation

Lovejoy, Arthur O. The Reason, the Understanding, and Time. Johns Hopkins Press, 1961.