APA
Koberstein E., . (1977). Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66.
Chicago
Koberstein E, . 1977. Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66.
Harvard
Koberstein E., . (1977). Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66.
MLA
Koberstein E, . Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66. 1977.