Citazione Stile APA (7a Edizione)

Contreras Méndez, E., Haverland, R., & Huck, L. (2016). Tune Up: Teacher's book IV Medio (4a. ed.). Richmond Publishing.

Citazione stile Chigago Style (17a edizione)

Contreras Méndez, Eugenia, Ronda Haverland, e Lisa Huck. Tune Up: Teacher's Book IV Medio. 4a. ed. Santiago: Richmond Publishing, 2016.

Citatione MLA (9a ed.)

Contreras Méndez, Eugenia, et al. Tune Up: Teacher's Book IV Medio. 4a. ed. Richmond Publishing, 2016.