APA

Jordan T., McDonald J., . (1973). Method of reducing the lead content of a used hydrocarbon lubricating oil by adding methylethyl ketone to separate the resulting mixture into a coagulated insoluble phase. Washington DC: United States Patent nr 3.763.036.

Chicago

Jordan TB, McDonald JW, . 1973. Method of reducing the lead content of a used hydrocarbon lubricating oil by adding methylethyl ketone to separate the resulting mixture into a coagulated insoluble phase. Washington DC: United States Patent nr 3.763.036.

Harvard

Jordan T., McDonald J., . (1973). Method of reducing the lead content of a used hydrocarbon lubricating oil by adding methylethyl ketone to separate the resulting mixture into a coagulated insoluble phase. Washington DC: United States Patent nr 3.763.036.

MLA

Jordan TB, McDonald JW, . Method of reducing the lead content of a used hydrocarbon lubricating oil by adding methylethyl ketone to separate the resulting mixture into a coagulated insoluble phase. Washington DC: United States Patent nr 3.763.036. 1973.