APA (7th ed.) Citation

Fahr-Becker, G., Westphal, C., Aston, P., Chitty, R., & Williams, K. (1997). Art nouveau. Konemann.

Chicago Style (17th ed.) Citation

Fahr-Becker, Gabriele, Chistine Westphal, Paul Aston, Ryth Chitty, and Karen Williams. Art Nouveau. Koln: Konemann, 1997.

MLA (8th ed.) Citation

Fahr-Becker, Gabriele, et al. Art Nouveau. Konemann, 1997.