Cita APA (7th ed.)
Gwathmey, C., Siegel, R., Arnell, P., Bickford, T., & Zaknic, I. (1984). Charles Gwathmey and Robert Siegel: Buildings and projects 1964-1984. Harper and Row.
Cita Chicago (17th ed.)
Gwathmey, Charles, Robert Siegel, Peter Arnell, Ted Bickford, i Ivan Zaknic. Charles Gwathmey and Robert Siegel: Buildings and Projects 1964-1984. New York: Harper and Row, 1984.
Cita MLA (9th ed.)
Gwathmey, Charles, et al. Charles Gwathmey and Robert Siegel: Buildings and Projects 1964-1984. Harper and Row, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.