APA (7th ed.) Citation

Roddy, H. J., & Gibbs, D. (1904). Philippine school geography. American Book.

Chicago Style (17th ed.) Citation

Roddy, Henry Justin, and David Gibbs. Philippine School Geography. New York: American Book, 1904.

MLA (9th ed.) Citation

Roddy, Henry Justin, and David Gibbs. Philippine School Geography. American Book, 1904.