Cita APA (7a ed.)

Heesch, K. C., Brown, D. R., & Blanton, C. J. (2000). Perceived barriers to exercise and stage of exercise adoption in older women of different racial-ethnic groups. [s.n.].

Cita Chicago Style (17a ed.)

Heesch, Kristiann C., David R. Brown, y Curtis J. Blanton. Perceived Barriers to Exercise and Stage of Exercise Adoption in Older Women of Different Racial-ethnic Groups. [S.l.]: [s.n.], 2000.

Cita MLA (9a ed.)

Heesch, Kristiann C., et al. Perceived Barriers to Exercise and Stage of Exercise Adoption in Older Women of Different Racial-ethnic Groups. [s.n.], 2000.