Cita APA (7a ed.)

Wenzel, P. (2004). Signage planning manual: Planning aids for the design of pedestrian signage systems. Lulu Press.

Cita Chicago Style (17a ed.)

Wenzel, Patrick. Signage Planning Manual: Planning Aids for the Design of Pedestrian Signage Systems. London: Lulu Press, 2004.

Cita MLA (9a ed.)

Wenzel, Patrick. Signage Planning Manual: Planning Aids for the Design of Pedestrian Signage Systems. Lulu Press, 2004.