Cita APA (7a ed.)

Smalzer, W. R., & Murphy, R. (2011). Basic grammar in use: Workbook : with answers (3rd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Smalzer, William R., y Raymond Murphy. Basic Grammar in Use: Workbook : With Answers. 3rd ed. Cambridge: Cambridge University Press, 2011.

Cita MLA (9a ed.)

Smalzer, William R., y Raymond Murphy. Basic Grammar in Use: Workbook : With Answers. 3rd ed. Cambridge University Press, 2011.