APA (7th ed.) Citation

Burkhardt, E. (1941). Über Oesophagotrachealfisteln.

Chicago Style (17th ed.) Citation

Burkhardt, Ernst. Über Oesophagotrachealfisteln. 1941.

MLA (9th ed.) Citation

Burkhardt, Ernst. Über Oesophagotrachealfisteln. 1941.

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