APA (7th ed.) Citation

Lehmbruck, W., Beuys, J., & Kort, P. (1997). Lehmbruck/Beuys. Michael Werner.

Chicago Style (17th ed.) Citation

Lehmbruck, Wilhelm, Joseph Beuys, and Pamela Kort. Lehmbruck/Beuys. Köln ; New York: Michael Werner, 1997.

MLA (9th ed.) Citation

Lehmbruck, Wilhelm, et al. Lehmbruck/Beuys. Michael Werner, 1997.