APA (7th ed.) Citation

Er, M. (1987). Counter examples to adjudicating a towers of hanoi contest. International journal of computer mathematics, 21(2), 123-131. https://doi.org/10.1080/00207168708803561

Chicago Style (17th ed.) Citation

Er, M.C. "Counter Examples to Adjudicating a Towers of Hanoi Contest." International Journal of Computer Mathematics 21, no. 2 (1987): 123-131. https://doi.org/10.1080/00207168708803561.

MLA (9th ed.) Citation

Er, M.C. "Counter Examples to Adjudicating a Towers of Hanoi Contest." International Journal of Computer Mathematics, vol. 21, no. 2, 1987, pp. 123-131, https://doi.org/10.1080/00207168708803561.