Osborn Segerberg. (1971). Where have all: The flowers, fishes, birds, trees, water, and air gone? What ecology is all about. New York: David McKay Co.
Citación estilo ChicagoOsborn Segerberg. Where Have All: The Flowers, Fishes, Birds, Trees, Water, and Air Gone? What Ecology Is All About. New York: David McKay Co, 1971.
Cita MLAOsborn Segerberg. Where Have All: The Flowers, Fishes, Birds, Trees, Water, and Air Gone? What Ecology Is All About. New York: David McKay Co, 1971.
Precaución: Estas citas no son 100% exactas.