APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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