APA (7th ed.) Citation

Frei, H., & Sullivan, L. H. (1992). Louis Henry Sullivan. Artemis Verlag.

Chicago Style (17th ed.) Citation

Frei, Hans, and Louis H. Sullivan. Louis Henry Sullivan. Zurich ; München: Artemis Verlag, 1992.

MLA (9th ed.) Citation

Frei, Hans, and Louis H. Sullivan. Louis Henry Sullivan. Artemis Verlag, 1992.