Cita APA (7th ed.)

Elsom, D. (1996). Smog Alert: Managing Urban Air Quality. Earthscan Publications Ltd.

Cita Chicago (17th ed.)

Elsom, Derek. Smog Alert: Managing Urban Air Quality. London: Earthscan Publications Ltd, 1996.

Cita MLA (9th ed.)

Elsom, Derek. Smog Alert: Managing Urban Air Quality. Earthscan Publications Ltd, 1996.