APA (7th ed.) Citation

Searcy, J. K., & Davis, L. C. (1961). Time of travel of water in the Potomac River, Cumberland to Washington. [publisher not identified].

Chicago Style (17th ed.) Citation

Searcy, James K., and Luther C. Davis. Time of Travel of Water in the Potomac River, Cumberland to Washington. [Place of publication not identified]: [publisher not identified], 1961.

MLA (9th ed.) Citation

Searcy, James K., and Luther C. Davis. Time of Travel of Water in the Potomac River, Cumberland to Washington. [publisher not identified], 1961.