Immroth, J. P. (1971). A guide to the library of Congress Classification (2. ed.). Libr. Unlimited.
Chicago Style (17th ed.) CitationImmroth, John Phillip. A Guide to the Library of Congress Classification. 2. ed. Littleton, Colo: Libr. Unlimited, 1971.
MLA (9th ed.) CitationImmroth, John Phillip. A Guide to the Library of Congress Classification. 2. ed. Libr. Unlimited, 1971.
Warning: These citations may not always be 100% accurate.