APA (7th ed.) Citation

Shepard, F. P. (1951). Sand movement on the shallow inter-canyon shelf at La Jolla, California. [publisher not identified].

Chicago Style (17th ed.) Citation

Shepard, Francis P. Sand Movement on the Shallow Inter-canyon Shelf at La Jolla, California. [Place of publication not identified]: [publisher not identified], 1951.

MLA (9th ed.) Citation

Shepard, Francis P. Sand Movement on the Shallow Inter-canyon Shelf at La Jolla, California. [publisher not identified], 1951.