APA (7th ed.) Citation

Wallis, M., & Böning, R. (1974). Jugendstil. Keyser.

Chicago Style (17th ed.) Citation

Wallis, Mieczysław, and Renate Böning. Jugendstil. [München]: Keyser, 1974.

MLA (9th ed.) Citation

Wallis, Mieczysław, and Renate Böning. Jugendstil. Keyser, 1974.

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