APA (7th ed.) Citation

Chappelear, J. (1961). On the description of short-crested waves. [publisher not identified].

Chicago Style (17th ed.) Citation

Chappelear, John. On the Description of Short-crested Waves. [Place of publication not identified]: [publisher not identified], 1961.

MLA (9th ed.) Citation

Chappelear, John. On the Description of Short-crested Waves. [publisher not identified], 1961.