APA (7th ed.) Citation

Rosales, J. C., & García-Sánchez, P. A. (2009). Numerical semigroups. Springer.

Chicago Style (17th ed.) Citation

Rosales, José C., and Pedro A. García-Sánchez. Numerical Semigroups. New York, NY [u.a.]: Springer, 2009.

MLA (9th ed.) Citation

Rosales, José C., and Pedro A. García-Sánchez. Numerical Semigroups. Springer, 2009.