APA (7th ed.) Citation

Richards, J. C. (1991). Interchange 2: Workbook. Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards, Jack C. Interchange 2: Workbook. Cambridge, Reino Unido: Cambridge University Press, 1991.

MLA (9th ed.) Citation

Richards, Jack C. Interchange 2: Workbook. Cambridge University Press, 1991.

Warning: These citations may not always be 100% accurate.