APA (7th ed.) Zitazioa

ebrary, Inc, Leventhal, H., Schaie, K. W., & Willis, S. L. (2002). Effective health behavior in older adults. Springer Pub. Co..

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Howard Leventhal, K. Warner Schaie, eta Sherry L. Willis. Effective Health Behavior in Older Adults. New York: Springer Pub. Co., 2002.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. Effective Health Behavior in Older Adults. Springer Pub. Co., 2002.