Cita APA (7a ed.)

Haykin, D. J. (1951). The Library of Congress: Subject headings : a practical guide. U.S. Government Printing Office.

Cita Chicago Style (17a ed.)

Haykin, David Judson. The Library of Congress: Subject Headings : A Practical Guide. Washington: U.S. Government Printing Office, 1951.

Cita MLA (9a ed.)

Haykin, David Judson. The Library of Congress: Subject Headings : A Practical Guide. U.S. Government Printing Office, 1951.