APA (7th ed.) Citation

Qin, X., Liu, Y., & Xu, Y. Vague Congruences and Quotient Lattice Implication Algebras. Wiley.

Chicago Style (17th ed.) Citation

Qin, Xiaoyan, Yi Liu, and Yang Xu. Vague Congruences and Quotient Lattice Implication Algebras. Wiley.

MLA (9th ed.) Citation

Qin, Xiaoyan, et al. Vague Congruences and Quotient Lattice Implication Algebras. Wiley.