APA (7th ed.) Citation

Usinger, F., & Lortz, H. (1952). Zur Metaphysik des Clowns. Liselotte Kumm.

Chicago Style (17th ed.) Citation

Usinger, Fritz, and Helmut Lortz. Zur Metaphysik Des Clowns. Offenbach am Main: Liselotte Kumm, 1952.

MLA (9th ed.) Citation

Usinger, Fritz, and Helmut Lortz. Zur Metaphysik Des Clowns. Liselotte Kumm, 1952.

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