APA (7th ed.) Citation

Whitworth, D. (1966). Basic digital computer concept. published on behalf of International Computers and Tabulators [by] Heinemann.

Chicago Style (17th ed.) Citation

Whitworth, Donald. Basic Digital Computer Concept. London: published on behalf of International Computers and Tabulators [by] Heinemann, 1966.

MLA (8th ed.) Citation

Whitworth, Donald. Basic Digital Computer Concept. published on behalf of International Computers and Tabulators [by] Heinemann, 1966.