APA (7th ed.) Citation
Higgins, P. M. (1992). Techniques of semigruop theory (1.ed.). Oxford University Press.
Chicago Style (17th ed.) Citation
Higgins, Peter M. Techniques of Semigruop Theory. 1.ed. Oxford: Oxford University Press, 1992.
MLA (9th ed.) Citation
Higgins, Peter M. Techniques of Semigruop Theory. 1.ed. Oxford University Press, 1992.
Warning: These citations may not always be 100% accurate.