APA (7th ed.) Citation

International Online Information Meeting. (1980). 4th International Online Information Meeting: London 9-11 December 1980. Learned Information.

Chicago Style (17th ed.) Citation

International Online Information Meeting. 4th International Online Information Meeting: London 9-11 December 1980. Oxford [etc.]: Learned Information, 1980.

MLA (9th ed.) Citation

International Online Information Meeting. 4th International Online Information Meeting: London 9-11 December 1980. Learned Information, 1980.

Warning: These citations may not always be 100% accurate.