APA (7th ed.) Citation

Warren, P., Elgort, I., & Crabbe, D. (2009). Comprehensibility and Prosody Ratings for Pronunciation Software Development. National Foreign Language Resource Center.

Chicago Style (17th ed.) Citation

Warren, Paul, Irina Elgort, and David Crabbe. Comprehensibility and Prosody Ratings for Pronunciation Software Development. National Foreign Language Resource Center, 2009.

MLA (9th ed.) Citation

Warren, Paul, et al. Comprehensibility and Prosody Ratings for Pronunciation Software Development. National Foreign Language Resource Center, 2009.