APA (7th ed.) Citation

Middleton, W. (2004). Anna O and Hanna Q. Australasian Psychiatry, 12(3), 239. https://doi.org/10.1111/j.1039-8562.2004.02110.x

Chicago Style (17th ed.) Citation

Middleton, Warwick. "Anna O and Hanna Q." Australasian Psychiatry 12, no. 3 (2004): 239. https://doi.org/10.1111/j.1039-8562.2004.02110.x.

MLA (9th ed.) Citation

Middleton, Warwick. "Anna O and Hanna Q." Australasian Psychiatry, vol. 12, no. 3, 2004, p. 239, https://doi.org/10.1111/j.1039-8562.2004.02110.x.