APA (7th ed.) Citation

Wertheimer, A. (2006). [Elvis at 21]. [publisher not identified].

Chicago Style (17th ed.) Citation

Wertheimer, Alfred. [Elvis at 21]. [Place of publication not identified]: [publisher not identified], 2006.

MLA (9th ed.) Citation

Wertheimer, Alfred. [Elvis at 21]. [publisher not identified], 2006.