APA (7th ed.) Citation

Kierkegaard, S., & Ulrich, H. (1930). Sören Kirkegaard. Søren Kierkegaard.

Chicago Style (17th ed.) Citation

Kierkegaard, Søren, and Hermann Ulrich. "Sören Kirkegaard." Søren Kierkegaard 1930.

MLA (8th ed.) Citation

Kierkegaard, Søren, and Hermann Ulrich. "Sören Kirkegaard." Søren Kierkegaard, 1930.

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