Porterfield, J. D., & St. Pierre, R. W. (1992). Healthful aging. Dushkin Pub. Group.
芝加哥风格引文Porterfield, James D., 与 Richard W. St. Pierre. Healthful Aging. Guilford, CT: Dushkin Pub. Group, 1992.
MLA引文Porterfield, James D., 与 Richard W. St. Pierre. Healthful Aging. Dushkin Pub. Group, 1992.
警告：这些引文格式不一定是100％准确.