एपीए उद्धरण

Schaie, K. W., & Willis, S. L. (2002). Adult development and aging. Upper Saddle River, NJ: Prentice Hall.

शिकागो स्टाइल उद्धरण

Schaie, K. Warner, और Sherry L. Willis. Adult Development and Aging. Upper Saddle River, NJ: Prentice Hall, 2002.

एमएलए उद्धरण

Schaie, K. Warner, और Sherry L. Willis. Adult Development and Aging. Upper Saddle River, NJ: Prentice Hall, 2002.