APA (7th ed.) Citation

Immroth, J. P., & Chan, L. M. (1980). Immroth's guide to the Library of Congress Classification (3 ed.). Libraries Unlimited.

Chicago Style (17th ed.) Citation

Immroth, 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.) Citation

Immroth, John Phillip, and Lois Mai Chan. Immroth's Guide to the Library of Congress Classification. 3 ed. Libraries Unlimited, 1980.