APA (7th ed.) Citation

Hirsch, K. J., & Pfanner, H. F. (1990). Quintessenz meines Lebens. Hase & Koehler.

Chicago Style (17th ed.) Citation

Hirsch, Karl Jakob, and Helmut F. Pfanner. Quintessenz Meines Lebens. Mainz: Hase & Koehler, 1990.

MLA (8th ed.) Citation

Hirsch, Karl Jakob, and Helmut F. Pfanner. Quintessenz Meines Lebens. Hase & Koehler, 1990.