APA (7th ed.) Citation

231389 Johnson, R. L., Penny, J. A., & Gordon, B. (2009). Assessing performance: Designing, scoring, and validating performance tasks. New York : Guilford Press.

Chicago Style (17th ed.) Citation

231389 Johnson, Robert L., James A. Penny, and Belita Gordon. Assessing Performance: Designing, Scoring, and Validating Performance Tasks. New York : Guilford Press, 2009.

MLA (9th ed.) Citation

231389 Johnson, Robert L., et al. Assessing Performance: Designing, Scoring, and Validating Performance Tasks. New York : Guilford Press, 2009.

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