APA (7th ed.) Citation

Knuth, D. (2011). Mathematical Vanity Plates. Mathematical Intelligencer, 33(1), 33. https://doi.org/10.1007/s00283-010-9170-7

Chicago Style (17th ed.) Citation

Knuth, Donald. "Mathematical Vanity Plates." Mathematical Intelligencer 33, no. 1 (2011): 33. https://doi.org/10.1007/s00283-010-9170-7.

MLA (9th ed.) Citation

Knuth, Donald. "Mathematical Vanity Plates." Mathematical Intelligencer, vol. 33, no. 1, 2011, p. 33, https://doi.org/10.1007/s00283-010-9170-7.