APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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