Cita APA (7th 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 (17th ed.)

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

Cita MLA (9th ed.)

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