APA (7th ed.) Citation

Rider, J. F. (1948). Installation and servicing of low power public address systems. [publisher not identified].

Chicago Style (17th ed.) Citation

Rider, John F. Installation and Servicing of Low Power Public Address Systems. New York: [publisher not identified], 1948.

MLA (9th ed.) Citation

Rider, John F. Installation and Servicing of Low Power Public Address Systems. [publisher not identified], 1948.