Rules and regulations for the registration of claims to copyright.
Copyright office bulletin no. 15.

APA Citation

Library of Congress. Copyright Office. (1913). Rules and regulations for the registration of claims to copyright: Copyright office bulletin no. 15. Washington: G.P.O..

MLA Citation

Library of Congress. Copyright Office. Rules And Regulations for the Registration of Claims to Copyright: Copyright Office Bulletin No. 15. Washington: G.P.O., 1913.

Warning: These citations may not always be complete (especially for serials).