Cita APA (7a ed.)

Worcester, D. C. (1913). The Non-Christian Peoples of The Philippine Islands. National Geographic Society.

Cita Chicago Style (17a ed.)

Worcester, Dean C. The Non-Christian Peoples of The Philippine Islands. [Washington, DC: National Geographic Society, 1913.

Cita MLA (9a ed.)

Worcester, Dean C. The Non-Christian Peoples of The Philippine Islands. National Geographic Society, 1913.