Citazione Stile APA (7a Edizione)

Mitchell, C. G. B., & Stokes, R. G. F. (1982). Walking as a mode of transportation. Transport and Road Research Laboratory.

Citazione stile Chigago Style (17a edizione)

Mitchell, C. G. B., e R. G. F. Stokes. Walking as a Mode of Transportation. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.

Citatione MLA (9a ed.)

Mitchell, C. G. B., e R. G. F. Stokes. Walking as a Mode of Transportation. Transport and Road Research Laboratory, 1982.