APA (7th ed.) Citation

Kolb, R. (2009). Martin Luther: Confessor of the faith. Oxford University Press.

Chicago Style (17th ed.) Citation

Kolb, Robert. Martin Luther: Confessor of the Faith. Oxford ; New York: Oxford University Press, 2009.

MLA (9th ed.) Citation

Kolb, Robert. Martin Luther: Confessor of the Faith. Oxford University Press, 2009.