Cita APA (7a ed.)

Pennells, E. (1978). Concrete bridges designer's manual. A Viewpoint Publications.

Cita Chicago Style (17a ed.)

Pennells, E. Concrete Bridges Designer's Manual. London: A Viewpoint Publications, 1978.

Cita MLA (9a ed.)

Pennells, E. Concrete Bridges Designer's Manual. A Viewpoint Publications, 1978.