APA (7th ed.) Citation

Library of Congress. Copyright Office. (1900). Expiration of copyright. [publisher not identified].

Chicago Style (17th ed.) Citation

Library of Congress. Copyright Office. Expiration of Copyright. Washington, D.C.: [publisher not identified], 1900.

MLA (9th ed.) Citation

Library of Congress. Copyright Office. Expiration of Copyright. [publisher not identified], 1900.