APA (7th ed.) Citation

Ulrich, F., & Schindler, D. C. (2018). Homo abyssus: The drama of the question of being. Humanum Academic Press.

Chicago Style (17th ed.) Citation

Ulrich, Ferdinand, and D. C. Schindler. Homo Abyssus: The Drama of the Question of Being. Washington, D.C.: Humanum Academic Press, 2018.

MLA (9th ed.) Citation

Ulrich, Ferdinand, and D. C. Schindler. Homo Abyssus: The Drama of the Question of Being. Humanum Academic Press, 2018.