APA (7th ed.) Citation

Hamouda, S., Edwards, S. H., Elmongui, H. G., Ernst, J. V., & Shaffer, C. A. (2019). RecurTutor: An Interactive Tutorial for Learning Recursion. ACM Transactions on Computing Education, 19(1), . https://doi.org/10.1145/3218328

Chicago Style (17th ed.) Citation

Hamouda, Sally, Stephen H. Edwards, Hicham G. Elmongui, Jeremy V. Ernst, and Clifford A. Shaffer. "RecurTutor: An Interactive Tutorial for Learning Recursion." ACM Transactions on Computing Education 19, no. 1 (2019). https://doi.org/10.1145/3218328.

MLA (9th ed.) Citation

Hamouda, Sally, et al. "RecurTutor: An Interactive Tutorial for Learning Recursion." ACM Transactions on Computing Education, vol. 19, no. 1, 2019, https://doi.org/10.1145/3218328.