Cita APA (7a ed.)

Low, W., Lond, M., & John Briggs, M. Matriculation English Course.

Cita Chicago Style (17a ed.)

Low, W.H, M.A Lond, y M.A John Briggs. Matriculation English Course.

Cita MLA (9a ed.)

Low, W.H, et al. Matriculation English Course.