APA (7th ed.) Citation

Hambleton, R. K., Swaminathan, H., & Rogers, H. J. (1991). Fundamentals of item response theory. Sage Publications.

Chicago Style (17th ed.) Citation

Hambleton, Ronald K., Hariharan Swaminathan, and H. Jane Rogers. Fundamentals of Item Response Theory. Newbury Park, Calif.: Sage Publications, 1991.

MLA (9th ed.) Citation

Hambleton, Ronald K., et al. Fundamentals of Item Response Theory. Sage Publications, 1991.