APA引文

Clifford, A. H., & Preston, G. B. (1961). Algebraic theory of semigroups V 1. American Mathematical Society.

Chicago Edition Citation

Clifford, A. H., and G. B. Preston. Algebraic Theory of Semigroups V 1. Rhode Island: American Mathematical Society, 1961.

MLA引文

Clifford, A. H., and G. B. Preston. Algebraic Theory of Semigroups V 1. American Mathematical Society, 1961.