APA (7th ed.) Citation

Guthrie, N., & Gardner, G. (1999). Bikes on trains: A study of potential users. Transport Research Laboratory.

Chicago Style (17th ed.) Citation

Guthrie, N., and G. Gardner. Bikes on Trains: A Study of Potential Users. Crowthorne, Berkshire: Transport Research Laboratory, 1999.

MLA (9th ed.) Citation

Guthrie, N., and G. Gardner. Bikes on Trains: A Study of Potential Users. Transport Research Laboratory, 1999.