APA (7th ed.) Citation

Heyder, B., & Jansen, J. (2004). Editorial. Concerto.

Chicago Style (17th ed.) Citation

Heyder, Bernd, and Johannes Jansen. "Editorial." Concerto 2004.

MLA (8th ed.) Citation

Heyder, Bernd, and Johannes Jansen. "Editorial." Concerto, 2004.

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