APA (7th ed.) Citation

Porter, E., Stegner, W., & Stegner, P. (1983). American places. Greenwich House.

Chicago Style (17th ed.) Citation

Porter, Eliot, Wallace Stegner, and Page Stegner. American Places. New York: Greenwich House, 1983.

MLA (9th ed.) Citation

Porter, Eliot, et al. American Places. Greenwich House, 1983.