APA (7th ed.) Citation

Ford, G., & Harris, C. (1981). Guidelines on Studies of Information Users (Pilot Version).

Chicago Style (17th ed.) Citation

Ford, Geoffrey, and Colin Harris. Guidelines on Studies of Information Users (Pilot Version). 1981.

MLA (9th ed.) Citation

Ford, Geoffrey, and Colin Harris. Guidelines on Studies of Information Users (Pilot Version). 1981.

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