Cita APA

Marden, O. S. (1915). The crime of silence. Physical culture Publishing Co..

Chicago Style (17th ed.) Citation

Marden, Orison Swett. The Crime of Silence. New York: Physical culture Publishing Co., 1915.

Cita MLA

Marden, Orison Swett. The Crime of Silence. Physical culture Publishing Co., 1915.