APA (7th ed.) Citation

Ennis, C. D., & Safrit, M. J. (1991). The use of hierarchical problem solving subroutines in the solution of exercise science problems. Journal of Computer Assisted Learning, 7(4), 241. https://doi.org/10.1111/j.1365-2729.1991.tb00255.x

Chicago Style (17th ed.) Citation

Ennis, C. D., and M. J. Safrit. "The Use of Hierarchical Problem Solving Subroutines in the Solution of Exercise Science Problems." Journal of Computer Assisted Learning 7, no. 4 (1991): 241. https://doi.org/10.1111/j.1365-2729.1991.tb00255.x.

MLA (9th ed.) Citation

Ennis, C. D., and M. J. Safrit. "The Use of Hierarchical Problem Solving Subroutines in the Solution of Exercise Science Problems." Journal of Computer Assisted Learning, vol. 7, no. 4, 1991, p. 241, https://doi.org/10.1111/j.1365-2729.1991.tb00255.x.