APA (7th ed.) Citation

Ostini, R., & Nering, M. L. (2006). Polytomous item response theory models / Remo Ostini, Michael L. Nering. Sage.

Chicago Style (17th ed.) Citation

Ostini, Remo, and Michael L. Nering. Polytomous Item Response Theory Models / Remo Ostini, Michael L. Nering. Thousand Oaks, Calif. ; London: Sage, 2006.

MLA (9th ed.) Citation

Ostini, Remo, and Michael L. Nering. Polytomous Item Response Theory Models / Remo Ostini, Michael L. Nering. Sage, 2006.

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