APA (7th ed.) Citation

Rider, J. F. (1948). The radio amateur's beam pointer guide. [publisher not identified].

Chicago Style (17th ed.) Citation

Rider, John F. The Radio Amateur's Beam Pointer Guide. New York: [publisher not identified], 1948.

MLA (9th ed.) Citation

Rider, John F. The Radio Amateur's Beam Pointer Guide. [publisher not identified], 1948.