MLA

Li, and Yuefei Sui. R-calculus: A Logic of Belief Revision. Springer Singapore, 2021.

APA

Li, L., & Sui, Y. (2021). R-CALCULUS: A Logic of Belief Revision. Springer Singapore.

Chicago

Li, and Yuefei Sui. R-CALCULUS: A Logic of Belief Revision. : Springer Singapore, 2021.