Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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