APA (7th ed.) Citation

Liu, X. (1995). A formal methodology for the specification and analysis of imprecise requirements. [publisher not identified].

Chicago Style (17th ed.) Citation

Liu, Xiaoqing. A Formal Methodology for the Specification and Analysis of Imprecise Requirements. [Place of publication not identified]: [publisher not identified], 1995.

MLA (9th ed.) Citation

Liu, Xiaoqing. A Formal Methodology for the Specification and Analysis of Imprecise Requirements. [publisher not identified], 1995.