APA (7th ed.) Citation

Blumstein, A., & Cohen, J. (1987). Characterizing criminal careers. Science, 237(4818), 985-991.

Chicago Style (17th ed.) Citation

Blumstein, Alfred, and J. Cohen. "Characterizing Criminal Careers." Science 237, no. 4818 (1987): 985-991.

MLA (9th ed.) Citation

Blumstein, Alfred, and J. Cohen. "Characterizing Criminal Careers." Science, vol. 237, no. 4818, 1987, pp. 985-991.