Cita APA (7th ed.)

Jarvis, A. C., Lebredo, R., & Mena-Ayllón, F. (2008). Hola, amigos! (7th ed.). Houghton Mifflin Company.

Cita Chicago (17th ed.)

Jarvis, Ana C., Raquel Lebredo, i Francisco Mena-Ayllón. Hola, Amigos! 7th ed. Boston, MA: Houghton Mifflin Company, 2008.

Cita MLA (9th ed.)

Jarvis, Ana C., et al. Hola, Amigos! 7th ed. Houghton Mifflin Company, 2008.