Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.