United States. Department of the Interior. (1915). Amending paragraph 13 of circular approved Sept. 30, 1910, as amended Mar. 23, 1914. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Amending Paragraph 13 of Circular Approved Sept. 30, 1910, as Amended Mar. 23, 1914. [Washington]: GPO, 1915.
MLA (9th ed.) CitationUnited States. Department of the Interior. Amending Paragraph 13 of Circular Approved Sept. 30, 1910, as Amended Mar. 23, 1914. GPO, 1915.
Warning: These citations may not always be 100% accurate.