Citação norma APA
ebrary, Inc, Sampson, G., Gil, D., & Trudgill, P. (2009). Language complexity as an evolving variable. Oxford University Press.
Citação norma Chicago
ebrary, Inc, Geoffrey Sampson, David Gil, and Peter Trudgill. Language Complexity as an Evolving Variable. Oxford ; New York: Oxford University Press, 2009.
Citação norma MLA
ebrary, Inc, et al. Language Complexity as an Evolving Variable. Oxford University Press, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.