APA (7th ed.) Citation

Speck, R., & Hentschel, M. (1992). Polke! Polke!

Chicago Style (17th ed.) Citation

Speck, Reiner, and Martin Hentschel. Polke! Polke! Köln, 1992.

MLA (9th ed.) Citation

Speck, Reiner, and Martin Hentschel. Polke! Polke! 1992.

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