APA

Pinto J., Aronowitz L., . (1983). Emissions from heavy duty vehicles before and after tune-up. Warrendale, PA: SAE technical paper 83 06 42.

Chicago

Pinto JJ, Aronowitz L, . 1983. Emissions from heavy duty vehicles before and after tune-up. Warrendale, PA: SAE technical paper 83 06 42.

Harvard

Pinto J., Aronowitz L., . (1983). Emissions from heavy duty vehicles before and after tune-up. Warrendale, PA: SAE technical paper 83 06 42.

MLA

Pinto JJ, Aronowitz L, . Emissions from heavy duty vehicles before and after tune-up. Warrendale, PA: SAE technical paper 83 06 42. 1983.