APA (7th ed.) Citation

(1997). Online information (5th: 1981.12.8-10, London). Learned Information.

Chicago Style (17th ed.) Citation

Online Information (5th: 1981.12.8-10, London). Oxford: Learned Information, 1997.

MLA (9th ed.) Citation

Online Information (5th: 1981.12.8-10, London). Learned Information, 1997.

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