APA

Dartnell P., Octel & Dartnell P. (1973). Exhaust emissions control efficient energy utilization. Are they compatible?. London: Octel.

Chicago

Dartnell P.L, Octel and Dartnell P.L. 1973. Exhaust emissions control efficient energy utilization. Are they compatible?. London: Octel.

Harvard

Dartnell P., Octel and Dartnell P. (1973). Exhaust emissions control efficient energy utilization. Are they compatible?. London: Octel.

MLA

Dartnell P.L, Octel and Dartnell P.L. Exhaust emissions control efficient energy utilization. Are they compatible?. London: Octel. 1973.