Cita APA (7a ed.)

Day, S., & Gant, M. P. G. (2002). Changes for ESO workbook 1. Burlington Books.

Cita Chicago Style (17a ed.)

Day, Sheila, y Marcelle Páramo Gutiérrez Gant. Changes for ESO Workbook 1. Limassol (Cyprus): Burlington Books, 2002.

Cita MLA (9a ed.)

Day, Sheila, y Marcelle Páramo Gutiérrez Gant. Changes for ESO Workbook 1. Burlington Books, 2002.