Cita APA (7a ed.)

Spector, P. E. (1975). Population Density and Unemployment: The Effects on the Incidence of Violent Crime in the American City. Criminology, 12(4), 399-401. doi:10.1111/j.1745-9125.1975.tb00645.x

Cita Chicago Style (17a ed.)

Spector, Paul E. "Population Density and Unemployment: The Effects on the Incidence of Violent Crime in the American City." Criminology 12, no. 4 (1975): 399-401. https://doi.org/10.1111/j.1745-9125.1975.tb00645.x.

Cita MLA (9a ed.)

Spector, Paul E. "Population Density and Unemployment: The Effects on the Incidence of Violent Crime in the American City." Criminology, vol. 12, no. 4, 1975, pp. 399-401, https://doi.org/10.1111/j.1745-9125.1975.tb00645.x.