Hegner, R. W., & Engemann, J. G. (1968). Invertebrate zoology. Macmillan.
芝加哥风格引文Hegner, Robert William, 与 Joseph G. Engemann. Invertebrate Zoology. New York: Macmillan, 1968.
MLA引文Hegner, Robert William, 与 Joseph G. Engemann. Invertebrate Zoology. Macmillan, 1968.
警告:这些引文格式不一定是100%准确.