APA (7th ed.) Citation

Kaufmann, A. (1975). Introduction to the theory of fuzzy subsets. Academic Press.

Chicago Style (17th ed.) Citation

Kaufmann, A. Introduction to the Theory of Fuzzy Subsets. New York: Academic Press, 1975.

MLA (9th ed.) Citation

Kaufmann, A. Introduction to the Theory of Fuzzy Subsets. Academic Press, 1975.