Cita APA

Azar, B. S., Hagen, S. A., Tesh, G., & Koch, R. S. (2017). Understanding and using English grammar (Fifth edition.). Hoboken, N.J: Pearson Education.

Citación estilo Chicago

Azar, Betty Schrampfer, Stacy A. Hagen, Geneva Tesh, y Rachel Spack Koch. Understanding and Using English Grammar. Fifth edition. Hoboken, N.J: Pearson Education, 2017.

Cita MLA

Azar, Betty Schrampfer, Stacy A. Hagen, Geneva Tesh, y Rachel Spack Koch. Understanding and Using English Grammar. Fifth edition. Hoboken, N.J: Pearson Education, 2017.