APA

Black F., High L., . (1977). Automotive hydrocarbon emission patterns in the measurement of nonmethane hydrocarbon emission rates. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 44.

Chicago

Black F, High L, . 1977. Automotive hydrocarbon emission patterns in the measurement of nonmethane hydrocarbon emission rates. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 44.

Harvard

Black F., High L., . (1977). Automotive hydrocarbon emission patterns in the measurement of nonmethane hydrocarbon emission rates. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 44.

MLA

Black F, High L, . Automotive hydrocarbon emission patterns in the measurement of nonmethane hydrocarbon emission rates. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 44. 1977.