Cita APA

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

Citación estilo Chicago

Immroth, John Phillip, y Lois Mai Chan. Immroth's Guide to the Library of Congress Classification. 3rd ed. Littleton, CO: : Libraries Unlimited, 1980.

Cita MLA

Immroth, John Phillip, y Lois Mai Chan. Immroth's Guide to the Library of Congress Classification. 3rd ed. Littleton, CO: : Libraries Unlimited, 1980.