Cita APA (7th ed.)

Guy, G. S. (1958). Economic life of the mountain tribes of Northern Luzon, Philippines. University of Manila.

Cita Chicago (17th ed.)

Guy, George Sy-chuan. Economic Life of the Mountain Tribes of Northern Luzon, Philippines. [Manila: University of Manila, 1958.

Cita MLA (9th ed.)

Guy, George Sy-chuan. Economic Life of the Mountain Tribes of Northern Luzon, Philippines. University of Manila, 1958.