APA (7th ed.) Citation

Smithson, M., & Verkuilen, J. (2006). Fuzzy set theory: Applications in the social sciences. SAGE.

Chicago Style (17th ed.) Citation

Smithson, Michael, and Jay Verkuilen. Fuzzy Set Theory: Applications in the Social Sciences. Thousand Oaks, [Calif.] ; London: SAGE, 2006.

MLA (9th ed.) Citation

Smithson, Michael, and Jay Verkuilen. Fuzzy Set Theory: Applications in the Social Sciences. SAGE, 2006.

Warning: These citations may not always be 100% accurate.