Cita APA

Harper, C. L. (2001). Environment and society: Human perspectives on environmental issues (2 ed.). United States of America: Prentice Hall.

Citación estilo Chicago

Harper, Charles L. Environment and Society: Human Perspectives On Environmental Issues. 2 ed. United States of America: Prentice Hall, 2001.

Cita MLA

Harper, Charles L. Environment and Society: Human Perspectives On Environmental Issues. 2 ed. United States of America: Prentice Hall, 2001.