APA (7th ed.) Citation
Luther, M., & Cole, H. (1976). The bondage of the will. Baker Book House.
Chicago Style (17th ed.) Citation
Luther, Martin, and Henry Cole. The Bondage of the Will. Grand Rapids, Mich.: Baker Book House, 1976.
MLA (9th ed.) Citation
Luther, Martin, and Henry Cole. The Bondage of the Will. Baker Book House, 1976.
Warning: These citations may not always be 100% accurate.