APA (7th ed.) Citation

Lambert, C., Philp, J., & Nakamura, S. (2016). Learner-generated content and engagement in second language task performance. Arnold.

Chicago Style (17th ed.) Citation

Lambert, Craig, J. Philp, and S. Nakamura. Learner-generated Content and Engagement in Second Language Task Performance. Arnold, 2016.

MLA (9th ed.) Citation

Lambert, Craig, et al. Learner-generated Content and Engagement in Second Language Task Performance. Arnold, 2016.