APA (7th ed.) Citation

Howie, J. M. (1976). An introduction to semigroup theory. Acad. Press.

Chicago Style (17th ed.) Citation

Howie, John M. An Introduction to Semigroup Theory. London [u.a.]: Acad. Press, 1976.

MLA (9th ed.) Citation

Howie, John M. An Introduction to Semigroup Theory. Acad. Press, 1976.