APA (7th ed.) Citation

Hinnion, R. (1986). Extensionality in Zermelo-Fraenkel Set Theory. Mathematical Logic Quarterly, 32(1-5), 51. https://doi.org/10.1002/malq.19860320107

Chicago Style (17th ed.) Citation

Hinnion, R. "Extensionality in Zermelo-Fraenkel Set Theory." Mathematical Logic Quarterly 32, no. 1-5 (1986): 51. https://doi.org/10.1002/malq.19860320107.

MLA (9th ed.) Citation

Hinnion, R. "Extensionality in Zermelo-Fraenkel Set Theory." Mathematical Logic Quarterly, vol. 32, no. 1-5, 1986, p. 51, https://doi.org/10.1002/malq.19860320107.