Cita APA (7th ed.)

Hickman, A. J., & Colwill, D. M. (1982). The estimation of air pollution concentrations from road traffic. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Hickman, A. J., i D. M. Colwill. The Estimation of Air Pollution Concentrations from Road Traffic. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.

Cita MLA (9th ed.)

Hickman, A. J., i D. M. Colwill. The Estimation of Air Pollution Concentrations from Road Traffic. Transport and Road Research Laboratory, 1982.