Cita APA (7a ed.)

Schmid, F. C., & Schmid, C. F. (1960). Urban crime areas: Part 1. American sociological review, 25(4), 527-542.

Cita Chicago Style (17a ed.)

Schmid, F. C., y Calvin F. Schmid. "Urban Crime Areas: Part 1." American Sociological Review 25, no. 4 (1960): 527-542.

Cita MLA (8a ed.)

Schmid, F. C., y Calvin F. Schmid. "Urban Crime Areas: Part 1." American Sociological Review, vol. 25, no. 4, 1960, pp. 527-542.