APA
International Congress of Universal Christian Humanism, International Congress of Universal Christian Humanism, . (1960). The soul of the nations. Milwaukee: Bruce Publishing Company.
Chicago
International Congress of Universal Christian Humanism, International Congress of Universal Christian Humanism, . 1960. The soul of the nations. Milwaukee: Bruce Publishing Company.
Harvard
International Congress of Universal Christian Humanism, International Congress of Universal Christian Humanism, . (1960). The soul of the nations. Milwaukee: Bruce Publishing Company.
MLA
International Congress of Universal Christian Humanism, International Congress of Universal Christian Humanism, . The soul of the nations. Milwaukee: Bruce Publishing Company. 1960.
