Style de citation APA (7e éd.)

Witherspoon, J., & Collins, V. L. (1912). Lectures on moral philosophy. Princeton university press.

Style de citation Chicago (17e éd.)

Witherspoon, John, et Varnum Lansing Collins. Lectures on Moral Philosophy. Princeton, N.J.: Princeton university press, 1912.

Style de citation MLA (8e éd.)

Witherspoon, John, et Varnum Lansing Collins. Lectures on Moral Philosophy. Princeton university press, 1912.