Cita APA (7a ed.)

U. S. Bureau of Insular Affairs & iGLibrary (online resource). (1911). Summary of Commerce of the Philippine Islands. Photoduplication Service. University of the Philippines Library.

Cita Chicago Style (17a ed.)

U. S. Bureau of Insular Affairs y iGLibrary (online resource). Summary of Commerce of the Philippine Islands. Quezon City: Photoduplication Service. University of the Philippines Library, 1911.

Cita MLA (9a ed.)

U. S. Bureau of Insular Affairs y iGLibrary (online resource). Summary of Commerce of the Philippine Islands. Photoduplication Service. University of the Philippines Library, 1911.