APA (7th ed.) Citation

Freyenfeld, W. A. (1983). Telesoftware. NCC.

Chicago Style (17th ed.) Citation

Freyenfeld, W. A. Telesoftware. Manchester: NCC, 1983.

MLA (8th ed.) Citation

Freyenfeld, W. A. Telesoftware. NCC, 1983.