Cita APA

Schwartz, A. N., & Peterson , J. A. (1979). Introduction to gerontology. Holt, Rinehart and Winston.

Citación estilo Chicago

Schwartz, Arthur N., and James A. Peterson. Introduction to Gerontology. New York: Holt, Rinehart and Winston, 1979.

Cita MLA

Schwartz, Arthur N., and James A. Peterson. Introduction to Gerontology. Holt, Rinehart and Winston, 1979.