APA (7th ed.) Citation

Higgins, P. M. (1992). Techniques of semigroup theory. Oxford Univ. Pr.

Chicago Style (17th ed.) Citation

Higgins, Peter M. Techniques of Semigroup Theory. Oxford [u. a.]: Oxford Univ. Pr, 1992.

MLA (9th ed.) Citation

Higgins, Peter M. Techniques of Semigroup Theory. Oxford Univ. Pr, 1992.

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