Cita APA (7a ed.)

Loewen, L. J., Steel, G. D., & Suedfeld, P. (1993). Perceived Safety from Crime in the Urban Environment. Journal of environmental psychology, 13(4), 323-331.

Cita Chicago Style (17a ed.)

Loewen, L. J., G. D. Steel, y P. Suedfeld. "Perceived Safety from Crime in the Urban Environment." Journal of Environmental Psychology 13, no. 4 (1993): 323-331.

Cita MLA (9a ed.)

Loewen, L. J., et al. "Perceived Safety from Crime in the Urban Environment." Journal of Environmental Psychology, vol. 13, no. 4, 1993, pp. 323-331.