Citazione Stile APA (7a Edizione)

Manila. Observatorio, U.S. Coast and Geodetic Survey, iGLibrary (online resource), & Algue, J. (1900). Atlas of the Philippine Islands, Special Publication No. 3. Govt. Print. Off.

Citazione stile Chigago Style (17a edizione)

Manila. Observatorio, U.S. Coast and Geodetic Survey, iGLibrary (online resource), e Jose Algue. Atlas of the Philippine Islands, Special Publication No. 3. Washington: Govt. Print. Off, 1900.

Citatione MLA (9a ed.)

Manila. Observatorio, et al. Atlas of the Philippine Islands, Special Publication No. 3. Govt. Print. Off, 1900.