Cita APA (7a ed.)

Herr, J. J., & Weakland, J. H. (1979). Counseling elders and their families: Practical techniques for applied gerontology. Springer Pub. Co..

Cita Chicago Style (17a ed.)

Herr, John J., y John H. Weakland. Counseling Elders and Their Families: Practical Techniques for Applied Gerontology. New York: Springer Pub. Co., 1979.

Cita MLA (8a ed.)

Herr, John J., y John H. Weakland. Counseling Elders and Their Families: Practical Techniques for Applied Gerontology. Springer Pub. Co., 1979.