APA (7th ed.) Citation

Childs, J. R. (1948). American foreign service. H. Holt.

Chicago Style (17th ed.) Citation

Childs, J. Rives. American Foreign Service. New York: H. Holt, 1948.

MLA (9th ed.) Citation

Childs, J. Rives. American Foreign Service. H. Holt, 1948.