Immroth, J. P., & Chan, L. M. (1980). Immroth's guide to the Library of Congress Classification (3 ed.). Libraries Unlimited.
Chicago Style (17th ed.) CitationImmroth, John Phillip, and Lois Mai Chan. Immroth's Guide to the Library of Congress Classification. 3 ed. Littleton [Colorado]: Libraries Unlimited, 1980.
MLA (9th ed.) CitationImmroth, John Phillip, and Lois Mai Chan. Immroth's Guide to the Library of Congress Classification. 3 ed. Libraries Unlimited, 1980.
Warning: These citations may not always be 100% accurate.