Cita APA (7a ed.)
Wekerle, G. R., & Whitzman, C. Safe Cities: Guidelines for Planning, Design, and Management. Van Nostrand Reinhold.
Cita estilo Chicago (17a ed.)
Wekerle, Gerda R., y Carolyn Whitzman. Safe Cities: Guidelines for Planning, Design, and Management. Nueva York, EUA: Van Nostrand Reinhold.
Cita MLA (9a ed.)
Wekerle, Gerda R., y Carolyn Whitzman. Safe Cities: Guidelines for Planning, Design, and Management. Van Nostrand Reinhold.
Precaución: Estas citas no son 100% exactas.