APA (7th ed.) Citation

Beitman, M. N. (1941). Service notes on record players. [Supreme Publications].

Chicago Style (17th ed.) Citation

Beitman, Morris N. Service Notes on Record Players. [Chicago]: [Supreme Publications], 1941.

MLA (9th ed.) Citation

Beitman, Morris N. Service Notes on Record Players. [Supreme Publications], 1941.