Madden, R. H., Carlini, A. A., Vucetich, M. G., & Kay, R. F. (2010). Preface to The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia. In R. H. Madden, A. A. Carlini, M. G. Vucetich, & R. F. Kay (Eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia (pp. ix–x). Cambridge, UK: Cambridge University Press.

Madden, R. H., A. A. Carlini, M. G. Vucetich, and R. F. Kay. “Preface to The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia.” In The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia, edited by R. H. Madden, A. A. Carlini, M. G. Vucetich, and R. F. Kay, ix–x. Cambridge, UK: Cambridge University Press, 2010.

Madden RH, Carlini AA, Vucetich MG, Kay RF. Preface to The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia. In: Madden RH, Carlini AA, Vucetich MG, Kay RF, editors. The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia. Cambridge, UK: Cambridge University Press; 2010. p. ix–x.

Madden, R. H., et al. “Preface to The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia.” The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia, edited by R. H. Madden et al., Cambridge University Press, 2010, pp. ix–x.

Madden RH, Carlini AA, Vucetich MG, Kay RF. Preface to The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia. In: Madden RH, Carlini AA, Vucetich MG, Kay RF, editors. The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia. Cambridge, UK: Cambridge University Press; 2010. p. ix–x.