Cita APA (7a ed.)

Thomson, A. J., & Martinet, A. V. Future and conditional (8a ed.).

Cita Chicago Style (17a ed.)

Thomson, A. J., y A. V. Martinet. Future and Conditional. 8a ed.

Cita MLA (8a ed.)

Thomson, A. J., y A. V. Martinet. Future and Conditional. 8a ed.