APA (7th ed.) Citation

Sänger, F. (1981). Dank an Dr. Helmut Cron.

Chicago Style (17th ed.) Citation

Sänger, Fritz. Dank an Dr. Helmut Cron. 1981.

MLA (9th ed.) Citation

Sänger, Fritz. Dank an Dr. Helmut Cron. 1981.

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