APA (7th ed.) Citation

Laubach, F. C. (1945). The silent billion speak (New and expanded ed.). Friendship Press.

Chicago Style (17th ed.) Citation

Laubach, Frank Charles. The Silent Billion Speak. New and expanded ed. New York: Friendship Press, 1945.

MLA (9th ed.) Citation

Laubach, Frank Charles. The Silent Billion Speak. New and expanded ed. Friendship Press, 1945.