APA (7th ed.) Citation

Library of Congress. Legislative Reference Service. (1927). Tentative list of subject headings and index rules for State law index. U.S. GPO.

Chicago Style (17th ed.) Citation

Library of Congress. Legislative Reference Service. Tentative List of Subject Headings and Index Rules for State Law Index. Washington: U.S. GPO, 1927.

MLA (9th ed.) Citation

Library of Congress. Legislative Reference Service. Tentative List of Subject Headings and Index Rules for State Law Index. U.S. GPO, 1927.