Cita APA (7th ed.)

Hamilton, R. S., & Harrison, R. M. (1991). Highway pollution. Elseiver Distributors for the United States and Canada, Elsevier Science Pub. Co.

Cita Chicago (17th ed.)

Hamilton, Ronald S., i Roy M. Harrison. Highway Pollution. Amsterdam, New York, New York, NY, U.S.A: Elseiver Distributors for the United States and Canada, Elsevier Science Pub. Co, 1991.

Cita MLA (9th ed.)

Hamilton, Ronald S., i Roy M. Harrison. Highway Pollution. Elseiver Distributors for the United States and Canada, Elsevier Science Pub. Co, 1991.