APA引文

Tardiff, K., Gross, E. M., & Messner, S. F. (1986). A study of homicides in Manhattan, 1981.

Citação norma Chicago

Tardiff, K., E M. Gross, and S F. Messner. A Study of Homicides in Manhattan, 1981. 1986.

MLA引文

Tardiff, K., E M. Gross, and S F. Messner. A Study of Homicides in Manhattan, 1981. 1986.

警告：這些引文格式不一定是100％准確.