APA (7th ed.) Citation

Mitchell, E. V. (1947). It's an old Pennsylvania custom. Vanguard Press.

Chicago Style (17th ed.) Citation

Mitchell, Edwin Valentine. It's an Old Pennsylvania Custom. New York: Vanguard Press, 1947.

MLA (9th ed.) Citation

Mitchell, Edwin Valentine. It's an Old Pennsylvania Custom. Vanguard Press, 1947.