APA (7th ed.) Citation

Wright, T. (1987). Roles of teachers and learners. ELBS with Oxford University Press.

Chicago Style (17th ed.) Citation

Wright, Tony. Roles of Teachers and Learners. Oxford: ELBS with Oxford University Press, 1987.

MLA (9th ed.) Citation

Wright, Tony. Roles of Teachers and Learners. ELBS with Oxford University Press, 1987.