Cita APA (7a ed.)

Haddock, F. C. (1914). The Culture of Courage (6th. ed.).

Cita Chicago Style (17a ed.)

Haddock, Frank Channing. The Culture of Courage. 6th. ed. Connecticut, 1914.

Cita MLA (8a ed.)

Haddock, Frank Channing. The Culture of Courage. 6th. ed. 1914.