APA citiranje

Degenkolb, O. H. (1977). Concrete box girder bridges. Iowa State University Press.

Chicago Style (17th ed.) Citation

Degenkolb, Oris H. Concrete Box Girder Bridges. Ames: Iowa State University Press, 1977.

MLA citiranje

Degenkolb, Oris H. Concrete Box Girder Bridges. Iowa State University Press, 1977.