APA (7th ed.) Citation

Pickett, M. W., & Gray, S. M. (1993). Informal park and ride behavior in London. Transport Research Laboratory.

Chicago Style (17th ed.) Citation

Pickett, M. W., and S. M. Gray. Informal Park and Ride Behavior in London. Crowthorne, Berkshire: Transport Research Laboratory, 1993.

MLA (9th ed.) Citation

Pickett, M. W., and S. M. Gray. Informal Park and Ride Behavior in London. Transport Research Laboratory, 1993.