Cita APA

León Fernández, M. (1997). Ecological Regions of North America. Toward a Common Perspective. Quebec CA: CEC.

Citación estilo Chicago

León Fernández, Maribel. Ecological Regions of North America. Toward a Common Perspective. Quebec CA: CEC, 1997.

Cita MLA

León Fernández, Maribel. Ecological Regions of North America. Toward a Common Perspective. Quebec CA: CEC, 1997.

Precaución: Estas citas no son 100% exactas.