Cita APA

Barnard, L., & Barnard, L. (2007). Understanding and investigating graffiti. Denver, Colo.: Outskirts.

Citación estilo Chicago

Barnard, Lee, y Lee Barnard. Understanding and Investigating Graffiti. Denver, Colo.: Outskirts, 2007.

Cita MLA

Barnard, Lee, y Lee Barnard. Understanding and Investigating Graffiti. Denver, Colo.: Outskirts, 2007.

Precaución: Estas citas no son 100% exactas.