APA (7th ed.) Citation

Schöning, K. (1923). Ueber den spontanen Pneumothorax. [Maschinenschrift.].

Chicago Style (17th ed.) Citation

Schöning, Klemens. Ueber Den Spontanen Pneumothorax. München: [Maschinenschrift.], 1923.

MLA (9th ed.) Citation

Schöning, Klemens. Ueber Den Spontanen Pneumothorax. [Maschinenschrift.], 1923.

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