Cita APA

Penn, A. A. 1., & Penn, A. A. 1. (1918). Smilin' through. New York: M. Witmark & Sons.

Citación estilo Chicago

Penn, Arthur A. 1880-1941, y Arthur A. 1880-1941 Penn. Smilin' Through. New York: M. Witmark & Sons, 1918.

Cita MLA

Penn, Arthur A. 1880-1941, y Arthur A. 1880-1941 Penn. Smilin' Through. New York: M. Witmark & Sons, 1918.