APA (7th ed.) Citation

Jarvis, A. C., Lebredo, R., & Mena-Ayllón, F. (2004). Hola, amigos! (6th ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Jarvis, Ana C., Raquel Lebredo, and Francisco Mena-Ayllón. Hola, Amigos! 6th ed. Boston, MA: Houghton Mifflin, 2004.

MLA (9th ed.) Citation

Jarvis, Ana C., et al. Hola, Amigos! 6th ed. Houghton Mifflin, 2004.