Cita APA (7a ed.)

Fromkin, V. A., Rodman, R., & Hyams, N. M. (2019). An introduction to language (11th edition.). Cengage Learning.

Cita Chicago Style (17a ed.)

Fromkin, Victoria A., Robert Rodman, y Nina M. Hyams. An Introduction to Language. 11th edition. Boston, MA: Cengage Learning, 2019.

Cita MLA (9a ed.)

Fromkin, Victoria A., et al. An Introduction to Language. 11th edition. Cengage Learning, 2019.