Py, D., Auxepaules, L., & Alonso, M. (2013). Diagram, a Learning Environment for Initiation to Object-Oriented Modeling with UML Class Diagrams. Journal of Interactive Learning Research, 24(4), 425.
Chicago Style (17th ed.) CitationPy, Dominique, Ludovic Auxepaules, and Mathilde Alonso. "Diagram, a Learning Environment for Initiation to Object-Oriented Modeling with UML Class Diagrams." Journal of Interactive Learning Research 24, no. 4 (2013): 425.
MLA (9th ed.) CitationPy, Dominique, et al. "Diagram, a Learning Environment for Initiation to Object-Oriented Modeling with UML Class Diagrams." Journal of Interactive Learning Research, vol. 24, no. 4, 2013, p. 425.
Warning: These citations may not always be 100% accurate.