APA

Bryzik W., Smith C., . (1977). Relationships between exhaust smoke emissions and operating variables in diesel engines. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 07 18.

Chicago

Bryzik W, Smith CO, . 1977. Relationships between exhaust smoke emissions and operating variables in diesel engines. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 07 18.

Harvard

Bryzik W., Smith C., . (1977). Relationships between exhaust smoke emissions and operating variables in diesel engines. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 07 18.

MLA

Bryzik W, Smith CO, . Relationships between exhaust smoke emissions and operating variables in diesel engines. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 07 18. 1977.