Gaya APA

Perlmutter, M., Hall, E. (1992). Adult Development and Aging 2'nd Ed. (2). New York: John Wiley & Sons, Inc.

Gaya MLA

Perlmutter, Marion., Hall, Elizabeth. "Adult Development and Aging 2'nd Ed.". 2 New York: John Wiley & Sons, Inc, 1992. Text.