APA (7th ed.) Citation

Hayes, I. J. (1998). Expressive Power of Specification Languages. Formal aspects of computing, 10(2), 187-192. https://doi.org/10.1007/s001650050010

Chicago Style (17th ed.) Citation

Hayes, Ian J. "Expressive Power of Specification Languages." Formal Aspects of Computing 10, no. 2 (1998): 187-192. https://doi.org/10.1007/s001650050010.

MLA (9th ed.) Citation

Hayes, Ian J. "Expressive Power of Specification Languages." Formal Aspects of Computing, vol. 10, no. 2, 1998, pp. 187-192, https://doi.org/10.1007/s001650050010.