APA (7th ed.) Citation

Hart, D. V., & Wilson, H. E. (1946). The Philippines. American Book.

Chicago Style (17th ed.) Citation

Hart, Donn V., and Howard E. Wilson. The Philippines. New York: American Book, 1946.

MLA (9th ed.) Citation

Hart, Donn V., and Howard E. Wilson. The Philippines. American Book, 1946.