Cita APA (7a ed.)

Gann, E. K. (1963). Of good and evil. The Companion Book Club.

Cita Chicago Style (17a ed.)

Gann, Ernest K. Of Good and Evil. Londres, Inglaterra: The Companion Book Club, 1963.

Cita MLA (9a ed.)

Gann, Ernest K. Of Good and Evil. The Companion Book Club, 1963.