APA (7th ed.) Citation

Purdum, J. J. (1983). BASIC-80 and CP/M. Macmillan ; Collier Macmillan Publishers.

Chicago Style (17th ed.) Citation

Purdum, Jack J. BASIC-80 and CP/M. New York : London: Macmillan ; Collier Macmillan Publishers, 1983.

MLA (9th ed.) Citation

Purdum, Jack J. BASIC-80 and CP/M. Macmillan ; Collier Macmillan Publishers, 1983.