APA (7th ed.) Citation

Klimt, G., Frodl, G., Mrazek, W., & Giese, H. (1978). Klimt-Studien. Galerie Welz.

Chicago Style (17th ed.) Citation

Klimt, Gustav, Gerbert Frodl, Wilhelm Mrazek, and Herbert Giese. Klimt-Studien. Salzburg: Galerie Welz, 1978.

MLA (9th ed.) Citation

Klimt, Gustav, et al. Klimt-Studien. Galerie Welz, 1978.