APA (7th ed.) Citation

Library of Congress. Subject Cataloging Division & Gale Research Company. (1969). Classification. Class K, subclass KF: Law of the United States (Prelim. ed.). [For sale by the Card Division, Library of Congress].

Chicago Style (17th ed.) Citation

Library of Congress. Subject Cataloging Division and Gale Research Company. Classification. Class K, Subclass KF: Law of the United States. Prelim. ed. Washington: [For sale by the Card Division, Library of Congress], 1969.

MLA (9th ed.) Citation

Library of Congress. Subject Cataloging Division and Gale Research Company. Classification. Class K, Subclass KF: Law of the United States. Prelim. ed. [For sale by the Card Division, Library of Congress], 1969.

Warning: These citations may not always be 100% accurate.