APA-Zitierstil (7. Ausg.)

Library of Congress. (1990). LC classification outline (6. ed.).

Chicago-Zitierstil (17. Ausg.)

Library of Congress. LC Classification Outline. 6. ed. Washington, 1990.

MLA-Zitierstil (9. Ausg.)

Library of Congress. LC Classification Outline. 6. ed. 1990.