APA (7th ed.) Citation

Goudge, E. (2009). Once in a blue moon. Vanguard Press.

Chicago Style (17th ed.) Citation

Goudge, Eileen. Once in a Blue Moon. New York: Vanguard Press, 2009.

MLA (8th ed.) Citation

Goudge, Eileen. Once in a Blue Moon. Vanguard Press, 2009.

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