APA (7th ed.) Citation

YMCA of the USA. (1987). Y skippers: An aquatics program for children five and under. YMCA.

Chicago Style (17th ed.) Citation

YMCA of the USA. Y Skippers: An Aquatics Program for Children Five and Under. Champaign, IL: YMCA, 1987.

MLA (9th ed.) Citation

YMCA of the USA. Y Skippers: An Aquatics Program for Children Five and Under. YMCA, 1987.