MLA

Billington, D.P. Tower and the Bridge; the New Art of Structural Engineering. [S.l.]: Princeton university press, .

APA

Billington, D. (.). Tower and the bridge; the new art of structural engineering. [S.l.]: Princeton university press.

Chicago

Billington, D.P. Tower and the Bridge; the New Art of Structural Engineering. [S.l.]: Princeton university press, ..