APA (7th ed.) Citation

Frea, J. I., Li, T. Y., & Sykes, R. M. (1972). Washout processes in lake systems. [publisher not identified].

Chicago Style (17th ed.) Citation

Frea, James Irving, Ting Y. Li, and Robert M. Sykes. Washout Processes in Lake Systems. [Place of publication not identified]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Frea, James Irving, et al. Washout Processes in Lake Systems. [publisher not identified], 1972.