APA (7th ed.) Citation

Veblen, T. T., Young, K. R., & Orme, A. R. (2007). The physical geography of South America. Oxford University Press.

Chicago Style (17th ed.) Citation

Veblen, Thomas T., Kenneth R. Young, and A. R. Orme. The Physical Geography of South America. Oxford ; New York: Oxford University Press, 2007.

MLA (9th ed.) Citation

Veblen, Thomas T., et al. The Physical Geography of South America. Oxford University Press, 2007.