Cita APA (7a ed.)

Herrera, M., & Hojel, B. (1998). Balloons: Teacher's edition.

Cita Chicago Style (17a ed.)

Herrera, Mario, y Barbara Hojel. Balloons: Teacher's Edition. New York, 1998.

Cita MLA (9a ed.)

Herrera, Mario, y Barbara Hojel. Balloons: Teacher's Edition. 1998.