APA (7th ed.) Citation

(2011). Porträt Walter Mehring (29. September 2011.).

Chicago Style (17th ed.) Citation

Porträt Walter Mehring. 29. September 2011. 2011.

MLA (9th ed.) Citation

Porträt Walter Mehring. 29. September 2011. 2011.

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