Cita APA (7a ed.)

Douglas, E. S., Girimonti, S., & Samuel, J. (2019). B2 and now you're speaking. Editorial T�ebar Flores.

Cita Chicago Style (17a ed.)

Douglas, Elisabeth S., Silvia Girimonti, y Julia Samuel. B2 and Now You're Speaking. Madrid: Editorial T�ebar Flores, 2019.

Cita MLA (8a ed.)

Douglas, Elisabeth S., et al. B2 and Now You're Speaking. Editorial T�ebar Flores, 2019.