Library of Congress. Copyright Office. (1918). Dramatic compositions copyrighted in U.S., 1870 to 1916: Vol. 2. O to Z; with supplement of titles registered during 1915 and 1916 and index of authors and copyright proprietors. GPO.
Chicago Style (17th ed.) CitationLibrary of Congress. Copyright Office. Dramatic Compositions Copyrighted in U.S., 1870 to 1916: Vol. 2. O to Z; with Supplement of Titles Registered During 1915 and 1916 and Index of Authors and Copyright Proprietors. [Washington]: GPO, 1918.
MLA (9th ed.) CitationLibrary of Congress. Copyright Office. Dramatic Compositions Copyrighted in U.S., 1870 to 1916: Vol. 2. O to Z; with Supplement of Titles Registered During 1915 and 1916 and Index of Authors and Copyright Proprietors. GPO, 1918.
Warning: These citations may not always be 100% accurate.