APA (7th ed.) Citation

O'Briant, W. H. (1979). Is Descartes' evil spirit finite or infinite? Sophia, 18(2), 28-32. doi:10.1007/BF02789972

Chicago Style (17th ed.) Citation

O'Briant, Walter H. "Is Descartes' Evil Spirit Finite or Infinite?" Sophia 18, no. 2 (1979): 28-32, https://doi.org/10.1007/BF02789972.

MLA (9th ed.) Citation

O'Briant, Walter H. "Is Descartes' Evil Spirit Finite or Infinite?" Sophia, vol. 18, no. 2, 1979, pp. 28-32, https://doi.org/10.1007/BF02789972.

Warning: These citations may not always be 100% accurate.