APA (7th ed.) Citation

Perkins, R. L., & Kierkegaard, S. (2004). Practice in Christianity. International Kierkegaard commentary.

Chicago Style (17th ed.) Citation

Perkins, Robert L., and Søren Kierkegaard. "Practice in Christianity." International Kierkegaard Commentary 2004.

MLA (9th ed.) Citation

Perkins, Robert L., and Søren Kierkegaard. "Practice in Christianity." International Kierkegaard Commentary, 2004.

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