APA (7e ed.) Bronvermelding

Library of Congress. Subject Cataloging Division, Martel, C., Bay, J. C., Johnston, W. D., Schmidt, A. F. W., & Wolcott, J. D. (1911). Classification. Government Printing Office.

Chicago (17e ed.) Bronvermelding

Library of Congress. Subject Cataloging Division, Charles Martel, J. Christian Bay, William Dawson Johnston, A. F. W. Schmidt, en J. D. Wolcott. Classification. Washington: Government Printing Office, 1911.

MLA (8e ed.) Bronvermelding

Library of Congress. Subject Cataloging Division, et al. Classification. Government Printing Office, 1911.