Cita APA (7a ed.)

SCHWARTZ, A. N., & TETERSON, J. Introduction to gerontology. Holt.

Cita Chicago Style (17a ed.)

SCHWARTZ, Arthur N., y James TETERSON. Introduction to Gerontology. New York: Holt.

Cita MLA (9a ed.)

SCHWARTZ, Arthur N., y James TETERSON. Introduction to Gerontology. Holt.