Cita APA (7th ed.)

Blass, L., Denman, B., & Iannuzzi, S. (2013). Grammar and beyond: Workbook 4 (1a. ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Blass, Laurie, Barbara Denman, i Susan Iannuzzi. Grammar and Beyond: Workbook 4. 1a. ed. Nueva York: Cambridge University Press, 2013.

Cita MLA (9th ed.)

Blass, Laurie, et al. Grammar and Beyond: Workbook 4. 1a. ed. Cambridge University Press, 2013.