APA (7th ed.) Citation

Calvin, J. (1956). On God and political duty. The Babbs-Merrill Comp.

Chicago Style (17th ed.) Citation

Calvin, Jonh. On God and Political Duty. The Babbs-Merrill Comp, 1956.

MLA (8th ed.) Citation

Calvin, Jonh. On God and Political Duty. The Babbs-Merrill Comp, 1956.

Warning: These citations may not always be 100% accurate.