Clifford, A. H., & Preston, G. B. (1961). Algebraic theory of semigroups V. 2. American Mathematical Society.
Chicago Edition CitationClifford, A. H., and G. B. Preston. Algebraic Theory of Semigroups V. 2. Rhode Island: American Mathematical Society, 1961.
MLA Edition CitationClifford, A. H., and G. B. Preston. Algebraic Theory of Semigroups V. 2. American Mathematical Society, 1961.
Warning: These citations may not always be 100% accurate.