Cita APA

Rohmer, H., & McLaughlin, J. (2009). Heroes of the environment: True stories o0f people who are helping to protect our planet. U.S.A.: Scholastic.

Citación estilo Chicago

Rohmer, Harriet, y Julie McLaughlin. Heroes of the Environment: True Stories O0f People Who Are Helping to Protect Our Planet. U.S.A.: Scholastic, 2009.

Cita MLA

Rohmer, Harriet, y Julie McLaughlin. Heroes of the Environment: True Stories O0f People Who Are Helping to Protect Our Planet. U.S.A.: Scholastic, 2009.