APA (7th ed.) Citation

Portman, J. C., Castellano, A., & Craig, R. M. (1997). John Portman: An island on an island. L'arca.

Chicago Style (17th ed.) Citation

Portman, John Calvin, Aldo Castellano, and Robert M. Craig. John Portman: An Island on an Island. Milano: L'arca, 1997.

MLA (9th ed.) Citation

Portman, John Calvin, et al. John Portman: An Island on an Island. L'arca, 1997.