Παραπομπή σε μορφή APA (7η εκδ.)

Library of Congress. Classification Division, Martel, C., Schmidt, A. F. W., Perley, C. W., & MacNair, M. W. (1916). Classification. Government Printing Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Library of Congress. Classification Division, Charles Martel, A. F. W. Schmidt, Clarence W. Perley, και Mary Wilson MacNair. Classification. Washington: Government Printing Office, 1916.

Παραπομπή σε μορφή MLA (8th εκδ.)

Library of Congress. Classification Division, et al. Classification. Government Printing Office, 1916.