Cita APA

(1993). Entering the watershed: A new approach to save America's river ecosystems. Washingyon, D.C: Island.

Citación estilo Chicago

Entering the Watershed: A New Approach to Save America's River Ecosystems. Washingyon, D.C: Island, 1993.

Cita MLA

Entering the Watershed: A New Approach to Save America's River Ecosystems. Washingyon, D.C: Island, 1993.

Precaución: Estas citas no son 100% exactas.