APA

Hutcheson R. C., Concawe & Hutcheson R. C. (1994). Motor vehicle emission regulations and fuel specifications 1994 update. Brussels: Concawe.

Chicago

Hutcheson R C, Concawe and Hutcheson R C. 1994. Motor vehicle emission regulations and fuel specifications 1994 update. Brussels: Concawe.

Harvard

Hutcheson R. C., Concawe and Hutcheson R. C. (1994). Motor vehicle emission regulations and fuel specifications 1994 update. Brussels: Concawe.

MLA

Hutcheson R C, Concawe and Hutcheson R C. Motor vehicle emission regulations and fuel specifications 1994 update. Brussels: Concawe. 1994.