Cita APA

Herrera, M., & Mario Herrera; Diane Pinkley. (2005). Backpack. Harlow: Pearson Education, cop.

Chicago Style Citation

Herrera, Mario, i Mario Herrera; Diane Pinkley. Backpack. Harlow: Pearson Education, cop, 2005.

Cita MLA

Herrera, Mario, i Mario Herrera; Diane Pinkley. Backpack. Harlow: Pearson Education, cop, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.