Cita APA (7a ed.)

Hartmann, N., & Coit, S. (1932). Ethics. G. Allen & Unwin.

Cita Chicago Style (17a ed.)

Hartmann, Nicolai, y Stanton Coit. Ethics. London: G. Allen & Unwin, 1932.

Cita MLA (8a ed.)

Hartmann, Nicolai, y Stanton Coit. Ethics. G. Allen & Unwin, 1932.