APA (7th ed.) Citation

Sembach, K., Gossel, P., & Leuthauser, G. (1991). Twentieth-century furniture design. B. Taschen.

Chicago Style (17th ed.) Citation

Sembach, Klaus-Jurgen, Peter Gossel, and Gabriele Leuthauser. Twentieth-century Furniture Design. Koln, Germany: B. Taschen, 1991.

MLA (8th ed.) Citation

Sembach, Klaus-Jurgen, et al. Twentieth-century Furniture Design. B. Taschen, 1991.