APA (7th ed.) Citation

Agina, A., Kommers, P., & Steehouder, M. (2011). The effect of the external regulator's absence on children's speech use, manifested self-regulation, and task performance during learning tasks. Elsevier.

Chicago Style (17th ed.) Citation

Agina, A., Petrus Kommers, and M. Steehouder. The Effect of the External Regulator's Absence on Children's Speech Use, Manifested Self-regulation, and Task Performance During Learning Tasks. Elsevier, 2011.

MLA (9th ed.) Citation

Agina, A., et al. The Effect of the External Regulator's Absence on Children's Speech Use, Manifested Self-regulation, and Task Performance During Learning Tasks. Elsevier, 2011.