Cita APA

Mackay, S., Forstrom, J., Pitt, M., Velasco, S., & Sherman, K. D. (2008). Excellent english 1: Language skills for success. New York, NY: McGraw-Hill.

Citación estilo Chicago

Mackay, Susannah, Jan Forstrom, Marta Pitt, Shirley Velasco, y Kristin D. Sherman. Excellent English 1: Language Skills for Success. New York, NY: McGraw-Hill, 2008.

Cita MLA

Mackay, Susannah, et al. Excellent English 1: Language Skills for Success. New York, NY: McGraw-Hill, 2008.