Cita APA

Williams, M. C. (1984). Effects of converting a zebra to a pelican crossing. Transport and Road Research Laboratory.

Citación estilo Chicago

Williams, Marian C. Effects of Converting a Zebra to a Pelican Crossing. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.

Cita MLA

Williams, Marian C. Effects of Converting a Zebra to a Pelican Crossing. Transport and Road Research Laboratory, 1984.