APA (7th ed.) Citation

XIE, N., BI, X., OLIVEIRA, B. C. D. S., & SCHRIJVERS, T. (2020). Consistent Subtyping for All. ACM Transactions on Programming Languages & Systems, 42(1), 1. https://doi.org/10.1145/3310339

Chicago Style (17th ed.) Citation

XIE, NINGNING, XUAN BI, BRUNO C. D. S. OLIVEIRA, and TOM SCHRIJVERS. "Consistent Subtyping for All." ACM Transactions on Programming Languages & Systems 42, no. 1 (2020): 1. https://doi.org/10.1145/3310339.

MLA (9th ed.) Citation

XIE, NINGNING, et al. "Consistent Subtyping for All." ACM Transactions on Programming Languages & Systems, vol. 42, no. 1, 2020, p. 1, https://doi.org/10.1145/3310339.