APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Hambleton, Ronald K., H. Jane Rogers, and Hariharan Swaminathan. 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.