Citação norma APA

West Virginia Pulp and Paper Company. Industrial Chemical Sales Division. (1937). The modern purifier. Industrial chemical sales division, West Virginia pulp & paper company.

Citação norma Chicago

West Virginia Pulp and Paper Company. Industrial Chemical Sales Division. The Modern Purifier. New York, Chicago: Industrial chemical sales division, West Virginia pulp & paper company, 1937.

Citação norma MLA

West Virginia Pulp and Paper Company. Industrial Chemical Sales Division. The Modern Purifier. Industrial chemical sales division, West Virginia pulp & paper company, 1937.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.