Smith, D. W., & Bierman, E. L. (1973). The biologic ages of man: From conception through old age. W.B. Saunders.
芝加哥风格引文Smith, David W., 与 Edwin L. Bierman. The Biologic Ages of Man: From Conception Through Old Age. Philadelphia: W.B. Saunders, 1973.
MLA引文Smith, David W., 与 Edwin L. Bierman. The Biologic Ages of Man: From Conception Through Old Age. W.B. Saunders, 1973.
警告：这些引文格式不一定是100％准确.