APA (7th ed.) Citation

Wu, H., & Lou, S. (2026). Permutation-Invariant Niven Numbers. Symmetry (20738994), 18(1), 186. https://doi.org/10.3390/sym18010186

Chicago Style (17th ed.) Citation

Wu, Huiling, and Senyue Lou. "Permutation-Invariant Niven Numbers." Symmetry (20738994) 18, no. 1 (2026): 186. https://doi.org/10.3390/sym18010186.

MLA (9th ed.) Citation

Wu, Huiling, and Senyue Lou. "Permutation-Invariant Niven Numbers." Symmetry (20738994), vol. 18, no. 1, 2026, p. 186, https://doi.org/10.3390/sym18010186.