APA (7th ed.) Citation

Ayala, R. (2009). The theory and practice of item response theory. Guilford Press.

Chicago Style (17th ed.) Citation

Ayala, Rafael. The Theory and Practice of Item Response Theory. New York [u. a.]: Guilford Press, 2009.

MLA (9th ed.) Citation

Ayala, Rafael. The Theory and Practice of Item Response Theory. Guilford Press, 2009.