APA (7th ed.) Citation

Ertel, P. (2005). Georg Kühnrich. Sammler Journal.

Chicago Style (17th ed.) Citation

Ertel, Peter. "Georg Kühnrich." Sammler Journal 2005.

MLA (8th ed.) Citation

Ertel, Peter. "Georg Kühnrich." Sammler Journal, 2005.

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