APA (7th ed.) Citation

Jarvis, A. C., Lebredo, R., & Mena-Ayllón, F. (2004). ¡Hola, amigos! (sixth edition.). Houghton Mifflin World Languages.

Chicago Style (17th ed.) Citation

Jarvis, Ana C., Raquel Lebredo, and Francisco Mena-Ayllón. ¡Hola, Amigos! sixth edition. Boston, MA: Houghton Mifflin World Languages, 2004.

MLA (9th ed.) Citation

Jarvis, Ana C., et al. ¡Hola, Amigos! sixth edition. Houghton Mifflin World Languages, 2004.