ebrary, Inc, Wilmoth, J. M., & Ferraro, K. F. (2007). Gerontology: Perspectives and issues (3rd ed.). Springer Pub..
芝加哥风格引文ebrary, Inc, Janet M. Wilmoth, 与 Kenneth F. Ferraro. Gerontology: Perspectives and Issues. 3rd ed. New York: Springer Pub., 2007.
MLA引文ebrary, Inc, et al. Gerontology: Perspectives and Issues. 3rd ed. Springer Pub., 2007.
警告：这些引文格式不一定是100％准确.