The teleprinter handbook.

MLA

Goacher, D. J., and J. G Denny. The Teleprinter Handbook. London: Radio Society of Great Britain, 1973.

APA

Goacher, D. J., & Denny, J. G. (1973). The teleprinter handbook. London: Radio Society of Great Britain.

Chicago

Goacher, D. J., and J. G. Denny. The Teleprinter Handbook. London: Radio Society of Great Britain, 1973.