APA (7th ed.) Citation

Burton, F. W., & Kollias, J. G. (1989). Functional Programming with Quadtrees. IEEE Software, 6(1), 90. https://doi.org/10.1109/52.16906

Chicago Style (17th ed.) Citation

Burton, F. Warren, and John G. Kollias. "Functional Programming with Quadtrees." IEEE Software 6, no. 1 (1989): 90. https://doi.org/10.1109/52.16906.

MLA (9th ed.) Citation

Burton, F. Warren, and John G. Kollias. "Functional Programming with Quadtrees." IEEE Software, vol. 6, no. 1, 1989, p. 90, https://doi.org/10.1109/52.16906.