Aslib. Acquisitions, Cataloguing and Circulation Working Party, & Wilson, C. W. J. (1977). Directory of operational computer applications in United Kingdom libraries and information units (2nd ed.). Aslib.
Chicago Style (17th ed.) CitationAslib. Acquisitions, Cataloguing and Circulation Working Party, and Christopher William John Wilson. Directory of Operational Computer Applications in United Kingdom Libraries and Information Units. 2nd ed. London: Aslib, 1977.
MLA (8th ed.) CitationAslib. Acquisitions, Cataloguing and Circulation Working Party, and Christopher William John Wilson. Directory of Operational Computer Applications in United Kingdom Libraries and Information Units. 2nd ed. Aslib, 1977.
Warning: These citations may not always be 100% accurate.