Cita APA (7a ed.)

Blumstein, A., & Rosenfeld, R. (1998). Assessing the recent ups and downs in U.S. homicide rates. Journal, 237, 9-11.

Cita Chicago Style (17a ed.)

Blumstein, Alfred, y Richard Rosenfeld. "Assessing the Recent Ups and Downs in U.S. Homicide Rates." Journal 237 (1998): 9-11.

Cita MLA (8a ed.)

Blumstein, Alfred, y Richard Rosenfeld. "Assessing the Recent Ups and Downs in U.S. Homicide Rates." Journal, 237, 1998, pp. 9-11.