APA (7th ed.) Citation

Unruh, A. M., & Ritchie, J. A. Development of the Pain Appraisal Inventory: Psychometric Properties. Wiley.

Chicago Style (17th ed.) Citation

Unruh, Anita M., and Judith A. Ritchie. Development of the Pain Appraisal Inventory: Psychometric Properties. Wiley.

MLA (9th ed.) Citation

Unruh, Anita M., and Judith A. Ritchie. Development of the Pain Appraisal Inventory: Psychometric Properties. Wiley.

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