APA (7th ed.) Citation

Gilson, E. (1954). The church speaks tot eh modern world: The social teachings of Leo XIII. Doubleday and Co.

Chicago Style (17th ed.) Citation

Gilson, Etienne. The Church Speaks Tot Eh Modern World: The Social Teachings of Leo XIII. USA: Doubleday and Co, 1954.

MLA (9th ed.) Citation

Gilson, Etienne. The Church Speaks Tot Eh Modern World: The Social Teachings of Leo XIII. Doubleday and Co, 1954.