Cita APA (7a ed.)

Wekerle, G. R. (1998). Safe Cities Guidelines For Planning, Design And Management Gerda R. Wekerle, Carolyn Whitzman. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Wekerle, Gerda R. Safe Cities Guidelines For Planning, Design And Management Gerda R. Wekerle, Carolyn Whitzman. Van Nostrand Reinhold, 1998.

Cita MLA (8a ed.)

Wekerle, Gerda R. Safe Cities Guidelines For Planning, Design And Management Gerda R. Wekerle, Carolyn Whitzman. Van Nostrand Reinhold, 1998.