APA (7th ed.) Citation

Ward, D. L., & Ahrens, J. P. (1992). Laboratory study of a dynamic berm revetment. [publisher not identified].

Chicago Style (17th ed.) Citation

Ward, Donald L., and John P. Ahrens. Laboratory Study of a Dynamic Berm Revetment. [Place of publication not identified]: [publisher not identified], 1992.

MLA (9th ed.) Citation

Ward, Donald L., and John P. Ahrens. Laboratory Study of a Dynamic Berm Revetment. [publisher not identified], 1992.