APA

Hickman A., Colwill D. & Hughes M. (1979). Predicting air pollutant levels from traffic near roads. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 501.

Chicago

Hickman AJ, Colwill DM and Hughes MR. 1979. Predicting air pollutant levels from traffic near roads. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 501.

Harvard

Hickman A., Colwill D. and Hughes M. (1979). Predicting air pollutant levels from traffic near roads. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 501.

MLA

Hickman AJ, Colwill DM and Hughes MR. Predicting air pollutant levels from traffic near roads. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 501. 1979.