Cita APA (7th ed.)

Shepherd, R. (2002). Structures of our time: 31 buildings that changed modern life. McGraw-Hill.

Cita Chicago (17th ed.)

Shepherd, Roger. Structures of Our Time: 31 Buildings That Changed Modern Life. New York: McGraw-Hill, 2002.

Cita MLA (9th ed.)

Shepherd, Roger. Structures of Our Time: 31 Buildings That Changed Modern Life. McGraw-Hill, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.