APA (7th ed.) Citation

Simpson, I. S. (1990). How to interpret statistical data: A guide for librarians and information scientists. The Library Association.

Chicago Style (17th ed.) Citation

Simpson, I. S. How to Interpret Statistical Data: A Guide for Librarians and Information Scientists. London: The Library Association, 1990.

MLA (9th ed.) Citation

Simpson, I. S. How to Interpret Statistical Data: A Guide for Librarians and Information Scientists. The Library Association, 1990.