Heyel, C. (1969). Computers, office machines etc. Macmillan.
Chicago Style (17th ed.) CitationHeyel, Carl. Computers, Office Machines Etc. London: Macmillan, 1969.
MLA (9th ed.) CitationHeyel, Carl. Computers, Office Machines Etc. Macmillan, 1969.
Warning: These citations may not always be 100% accurate.