APA (7th ed.) Citation

Petrich, M. (1977). Lectures in semigroups. Wiley.

Chicago Style (17th ed.) Citation

Petrich, Mario. Lectures in Semigroups. London [u.a.]: Wiley, 1977.

MLA (9th ed.) Citation

Petrich, Mario. Lectures in Semigroups. Wiley, 1977.

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