Cita APA (7a ed.)
Mullen, S. P., & Whaley, D. E. (2010). Age, Gender, and Fitness Club Membership: Factors Related to Initial Involvement and Sustained Participation. International Journal of Sport & Exercise Psychology, 8(1), 24-36.
Cita Chicago Style (17a ed.)
Mullen, Sean P., y Diane E. Whaley. "Age, Gender, and Fitness Club Membership: Factors Related to Initial Involvement and Sustained Participation." International Journal of Sport & Exercise Psychology 8, no. 1 (2010): 24-36.
Cita MLA (9a ed.)
Mullen, Sean P., y Diane E. Whaley. "Age, Gender, and Fitness Club Membership: Factors Related to Initial Involvement and Sustained Participation." International Journal of Sport & Exercise Psychology, vol. 8, no. 1, 2010, pp. 24-36.
Precaución: Estas citas no son 100% exactas.