APA (7th ed.) Citation

Verdú, E., Regueras, L. M., Verdú, M. J., Leal, J. P., de Castro, J. P., & Queirós, R. (2012). A distributed system for learning programming on-line. Computers and education, 58(1), 1-10. https://doi.org/10.1016/j.compedu.2011.08.015

Chicago Style (17th ed.) Citation

Verdú, Elena, Luisa M. Regueras, María J. Verdú, José P. Leal, Juan P. de Castro, and Ricardo Queirós. "A Distributed System for Learning Programming On-line." Computers and Education 58, no. 1 (2012): 1-10. https://doi.org/10.1016/j.compedu.2011.08.015.

MLA (9th ed.) Citation

Verdú, Elena, et al. "A Distributed System for Learning Programming On-line." Computers and Education, vol. 58, no. 1, 2012, pp. 1-10, https://doi.org/10.1016/j.compedu.2011.08.015.