APA (7th ed.) Citation

Frugé, A. (1956). Books are still for sale. [publisher not identified].

Chicago Style (17th ed.) Citation

Frugé, August. Books Are Still for Sale. [Place of publication not identified]: [publisher not identified], 1956.

MLA (9th ed.) Citation

Frugé, August. Books Are Still for Sale. [publisher not identified], 1956.