APA (7th ed.) Citation

Petzl, G., & Herrmann, P. (2003). Peter Herrmann (22. 5.1927 - 22.11. 2002).

Chicago Style (17th ed.) Citation

Petzl, Georg, and Peter Herrmann. Peter Herrmann (22. 5.1927 - 22.11. 2002). 2003.

MLA (9th ed.) Citation

Petzl, Georg, and Peter Herrmann. Peter Herrmann (22. 5.1927 - 22.11. 2002). 2003.

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