APA-Zitierstil (7. Ausg.)

Library of Congress. (1926). Classification: Outline scheme of classes (Repr. of rev. of 1920.). Gov. Print. Off.

Chicago-Zitierstil (17. Ausg.)

Library of Congress. Classification: Outline Scheme of Classes. Repr. of rev. of 1920. Washington: Gov. Print. Off, 1926.

MLA-Zitierstil (9. Ausg.)

Library of Congress. Classification: Outline Scheme of Classes. Repr. of rev. of 1920. Gov. Print. Off, 1926.