Cita APA (7a ed.)

RODDY, H., & GIBBS, D. (1904). Philippine School Geography. American Book Company.

Cita Chicago Style (17a ed.)

RODDY, H., y David GIBBS. Philippine School Geography. New York, etc: American Book Company, 1904.

Cita MLA (9a ed.)

RODDY, H., y David GIBBS. Philippine School Geography. American Book Company, 1904.