APA (7th ed.) Citation

Zehnder, F. G. (1974). Stiftername entdeckt.

Chicago Style (17th ed.) Citation

Zehnder, Frank Günter. Stiftername Entdeckt. 1974.

MLA (9th ed.) Citation

Zehnder, Frank Günter. Stiftername Entdeckt. 1974.

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