Cita APA (7th ed.)
ebrary, Inc, Leventhal, H., Schaie, K. W., & Willis, S. L. (2002). Effective health behavior in older adults. Springer Pub. Co..
Cita Chicago (17th ed.)
ebrary, Inc, Howard Leventhal, K. Warner Schaie, i Sherry L. Willis. Effective Health Behavior in Older Adults. New York: Springer Pub. Co., 2002.
Cita MLA (9th ed.)
ebrary, Inc, et al. Effective Health Behavior in Older Adults. Springer Pub. Co., 2002.
Atenció: Aquestes cites poden no estar 100% correctes.