APA

Edited by Richard, Fitter R. S. R., Fitter M. & International Union for Conservation of Nature and Natural Resources. (1987). The Road to extinction. Gland, Switzerland: International Union for Conservation of Nature and Natural Resources.

Chicago

Edited by Richard, Fitter Richard Sidney Richmond, Fitter Maisie and International Union for Conservation of Nature and Natural Resources. 1987. The Road to extinction. Gland, Switzerland: International Union for Conservation of Nature and Natural Resources.

Harvard

Edited by Richard, Fitter R. S. R., Fitter M. and International Union for Conservation of Nature and Natural Resources. (1987). The Road to extinction. Gland, Switzerland: International Union for Conservation of Nature and Natural Resources.

MLA

Edited by Richard, Fitter Richard Sidney Richmond, Fitter Maisie and International Union for Conservation of Nature and Natural Resources. The Road to extinction. Gland, Switzerland: International Union for Conservation of Nature and Natural Resources. 1987.