APA (7th ed.) Citation

YMCA. (1927). Units of Y.M.C.A. serving personnel of Navy. [publisher not identified].

Chicago Style (17th ed.) Citation

YMCA. Units of Y.M.C.A. Serving Personnel of Navy. Washington: [publisher not identified], 1927.

MLA (9th ed.) Citation

YMCA. Units of Y.M.C.A. Serving Personnel of Navy. [publisher not identified], 1927.