APA

Hughes J. D., . (2009). An environmental history of the world humankind's changing role in the community of life. Nueva York (Estados Unidos): Routledge.

Chicago

Hughes J Donald, . 2009. An environmental history of the world humankind's changing role in the community of life. Nueva York (Estados Unidos): Routledge.

Harvard

Hughes J. D., . (2009). An environmental history of the world humankind's changing role in the community of life. Nueva York (Estados Unidos): Routledge.

MLA

Hughes J Donald, . An environmental history of the world humankind's changing role in the community of life. Nueva York (Estados Unidos): Routledge. 2009.