Cita APA (7a ed.)

YMCA of the USA & Hanlon, T. W. (1995). Fit for two: The official YMCA prenatal exercise guide. Human Kinetics.

Cita Chicago Style (17a ed.)

YMCA of the USA y Thomas W. Hanlon. Fit for Two: The Official YMCA Prenatal Exercise Guide. Champaign (Ill.): Human Kinetics, 1995.

Cita MLA (9a ed.)

YMCA of the USA y Thomas W. Hanlon. Fit for Two: The Official YMCA Prenatal Exercise Guide. Human Kinetics, 1995.