APA (7th ed.) Citation

Ackermann, H. (2013). Dierk Maass. Künstler.

Chicago Style (17th ed.) Citation

Ackermann, Heinrich. "Dierk Maass." Künstler 2013.

MLA (8th ed.) Citation

Ackermann, Heinrich. "Dierk Maass." Künstler, 2013.

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