APA (7th ed.) Citation

Penn, A. A. (1919). Smilin' through. M. Witmark.

Chicago Style (17th ed.) Citation

Penn, Arthur A. Smilin' Through. New York: M. Witmark, 1919.

MLA (9th ed.) Citation

Penn, Arthur A. Smilin' Through. M. Witmark, 1919.

Warning: These citations may not always be 100% accurate.