APA (7th ed.) Citation

McCallum, N. (1952). It's an old Scottish custom. Vanguard Press.

Chicago Style (17th ed.) Citation

McCallum, Neil. It's an Old Scottish Custom. New York: Vanguard Press, 1952.

MLA (9th ed.) Citation

McCallum, Neil. It's an Old Scottish Custom. Vanguard Press, 1952.