APA (7th ed.) Citation

Osterlind, S. J., & Everson, H. T. (2009). Differential item functioning (2nd ed.). SAGE.

Chicago Style (17th ed.) Citation

Osterlind, Steven J., and Howard T. Everson. Differential Item Functioning. 2nd ed. Los Angeles ; London: SAGE, 2009.

MLA (9th ed.) Citation

Osterlind, Steven J., and Howard T. Everson. Differential Item Functioning. 2nd ed. SAGE, 2009.