Cita APA (7th ed.)

Hickman, A. J., Colwill, D. M., & Hughes M. R. (1979). Predicting air pollutant levels from traffic near roads. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Hickman, A. J., D. M. Colwill, i Hughes M. R. Predicting Air Pollutant Levels from Traffic Near Roads. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1979.

Cita MLA (9th ed.)

Hickman, A. J., et al. Predicting Air Pollutant Levels from Traffic Near Roads. Transport and Road Research Laboratory, 1979.