United States. Department of the Interior, ProQuest (Firm), & Puerto Rico. Department of the Interior. (1906). Report of the Commissioner of the Interior for Porto Rico. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Interior, ProQuest (Firm), and Puerto Rico. Department of the Interior. Report of the Commissioner of the Interior for Porto Rico. Washington: [publisher not identified], 1906.
MLA (9th ed.) CitationUnited States. Department of the Interior, et al. Report of the Commissioner of the Interior for Porto Rico. [publisher not identified], 1906.
Warning: These citations may not always be 100% accurate.