APA (7th ed.) Citation

Casagrande, A., Rivard, P. J., & Simon, N. (1959). Strength of highly plastic clays. Norges Geotekniske Inst.

Chicago Style (17th ed.) Citation

Casagrande, Arthur, P. J. Rivard, and Noel Simon. Strength of Highly Plastic Clays. Oslo: Norges Geotekniske Inst, 1959.

MLA (9th ed.) Citation

Casagrande, Arthur, et al. Strength of Highly Plastic Clays. Norges Geotekniske Inst, 1959.