Classification. Class Z: Bibliography and library science.

APA Citation

Library of Congress. Subject Cataloging Division., Gale Research Company., Library of Congress. Classification Division. (1965). Classification. Class Z: Bibliography and library science. 4th ed., with supplementary pages. Washington: [For sale by the Superintendent of Documents, U.S. Govt. Print. Off.].

MLA Citation

Library of Congress. Subject Cataloging Division, Gale Research Company, and Library of Congress. Classification Division. Classification. Class Z: Bibliography And Library Science. 4th ed., with supplementary pages. Washington: [For sale by the Superintendent of Documents, U.S. Govt. Print. Off.], 1965.