Citação norma APA

United States Library of Congress Classification Division. (1954). Classification. Class Q: Science (5th ed., with supplementary pages.). U. S. Government Printing Office.

Citação norma Chicago

United States Library of Congress Classification Division. Classification. Class Q: Science. 5th ed., with supplementary pages. Washington: U. S. Government Printing Office, 1954.

Citação norma MLA

United States Library of Congress Classification Division. Classification. Class Q: Science. 5th ed., with supplementary pages. U. S. Government Printing Office, 1954.

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