APA (7th ed.) Citation

Ljapin, E. S. (1978). Semigroups (3. ed., 2. print.). American Math.Soc.

Chicago Style (17th ed.) Citation

Ljapin, E. S. Semigroups. 3. ed., 2. print. Providence, R.I: American Math.Soc, 1978.

MLA (9th ed.) Citation

Ljapin, E. S. Semigroups. 3. ed., 2. print. American Math.Soc, 1978.