Cita APA (7th ed.)

Johns, A. M. (1997). Text, role, and context: Developing academic literacies. Cambridge University.

Cita Chicago (17th ed.)

Johns, Ann M. Text, Role, and Context: Developing Academic Literacies. Nueva York: Cambridge University, 1997.

Cita MLA (9th ed.)

Johns, Ann M. Text, Role, and Context: Developing Academic Literacies. Cambridge University, 1997.