APA引文

ebrary, Inc, Sheets, D. J., Bradley, D. B., & Hendricks, J. (2006). Enduring questions in gerontology. Springer Pub. Co..

芝加哥风格引文

ebrary, Inc, Debra J. Sheets, Dana Burr Bradley, 与 Jon Hendricks. Enduring Questions in Gerontology. New York: Springer Pub. Co., 2006.

MLA引文

ebrary, Inc, et al. Enduring Questions in Gerontology. Springer Pub. Co., 2006.