APA (7th ed.) Citation

Michael, F. (1938). Aktive Diphtherie-Immunisierung.

Chicago Style (17th ed.) Citation

Michael, Friedrich. Aktive Diphtherie-Immunisierung. 1938.

MLA (9th ed.) Citation

Michael, Friedrich. Aktive Diphtherie-Immunisierung. 1938.

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