APA (7e ed.) Bronvermelding

U. S. Library of Congress. (1942). Special facilities for research. U. S. Government Printing Office.

Chicago (17e ed.) Bronvermelding

U. S. Library of Congress. Special Facilities for Research. [Washington: U. S. Government Printing Office, 1942.

MLA (9e ed.) Bronvermelding

U. S. Library of Congress. Special Facilities for Research. U. S. Government Printing Office, 1942.

Let op: Deze citaties zijn niet altijd 100% accuraat.