APA

Beltzer M., . (1976). Non-sulfate particulate emissions from catalyst cars. : Society of Automotive Engineers. Paper nr 76 00 38.

Chicago

Beltzer M, . 1976. Non-sulfate particulate emissions from catalyst cars. : Society of Automotive Engineers. Paper nr 76 00 38.

Harvard

Beltzer M., . (1976). Non-sulfate particulate emissions from catalyst cars. : Society of Automotive Engineers. Paper nr 76 00 38.

MLA

Beltzer M, . Non-sulfate particulate emissions from catalyst cars. : Society of Automotive Engineers. Paper nr 76 00 38. 1976.