Cita APA (7th ed.)
Casagrande, L. (1967). Subsoils and foundation design in Richmond, Va. Hall.
Cita Chicago (17th ed.)
Casagrande, Leo. Subsoils and Foundation Design in Richmond, Va. Cambridge: Hall, 1967.
Cita MLA (9th ed.)
Casagrande, Leo. Subsoils and Foundation Design in Richmond, Va. Hall, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.