APA

Khatri N., Johnson J. & Leddy D. (1978). Characterization of the hydrocarbon and sulfate fractions of diesel particulate matter. Warrendale, PA: SAE Technical Paper Series nr 78 01 11.

Chicago

Khatri NJ, Johnson JH and Leddy DG. 1978. Characterization of the hydrocarbon and sulfate fractions of diesel particulate matter. Warrendale, PA: SAE Technical Paper Series nr 78 01 11.

Harvard

Khatri N., Johnson J. and Leddy D. (1978). Characterization of the hydrocarbon and sulfate fractions of diesel particulate matter. Warrendale, PA: SAE Technical Paper Series nr 78 01 11.

MLA

Khatri NJ, Johnson JH and Leddy DG. Characterization of the hydrocarbon and sulfate fractions of diesel particulate matter. Warrendale, PA: SAE Technical Paper Series nr 78 01 11. 1978.