APA (7th ed.) Citation

Perkins & Will, Johnson, R., & Fisher, T. (1998). Ralph Johnson, Perkins & Will: Normative modernism. L'Arca.

Chicago Style (17th ed.) Citation

Perkins & Will, Ralp Johnson, and Thomas Fisher. Ralph Johnson, Perkins & Will: Normative Modernism. Milano: L'Arca, 1998.

MLA (9th ed.) Citation

Perkins & Will, et al. Ralph Johnson, Perkins & Will: Normative Modernism. L'Arca, 1998.