APA

Prostak A., . (1977). Sulfate analysis by the barium perchlorate titration and the BCA methods. Warrendale, PA: Society of Automotive Engineers. Paper 77 00 65.

Chicago

Prostak A, . 1977. Sulfate analysis by the barium perchlorate titration and the BCA methods. Warrendale, PA: Society of Automotive Engineers. Paper 77 00 65.

Harvard

Prostak A., . (1977). Sulfate analysis by the barium perchlorate titration and the BCA methods. Warrendale, PA: Society of Automotive Engineers. Paper 77 00 65.

MLA

Prostak A, . Sulfate analysis by the barium perchlorate titration and the BCA methods. Warrendale, PA: Society of Automotive Engineers. Paper 77 00 65. 1977.