APA (7th ed.) Citation

Guetl, C., Hernandez Rizzardini, R., Chang, V., Morales, M., & Uden, L. (2014). Attrition in MOOC: Lessons Learned from Drop-Out Students. Springer.

Chicago Style (17th ed.) Citation

Guetl, Christian, R. Hernandez Rizzardini, V. Chang, M. Morales, and Lorna Uden. Attrition in MOOC: Lessons Learned from Drop-Out Students. Springer, 2014.

MLA (9th ed.) Citation

Guetl, Christian, et al. Attrition in MOOC: Lessons Learned from Drop-Out Students. Springer, 2014.