APA (7th ed.) Citation

Hirtreither, O. (1917). Zur Casuistik der congenitalen Oesophago-Tracheal-Fistel.

Chicago Style (17th ed.) Citation

Hirtreither, Otto. Zur Casuistik Der Congenitalen Oesophago-Tracheal-Fistel. München, 1917.

MLA (9th ed.) Citation

Hirtreither, Otto. Zur Casuistik Der Congenitalen Oesophago-Tracheal-Fistel. 1917.

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