APA

Farnsworth E Allan,, . (2010). An introduction to the legal system of the United States. Oxford: Oxford University Press.

Chicago

Farnsworth E Allan,, . 2010. An introduction to the legal system of the United States. Oxford: Oxford University Press.

Harvard

Farnsworth E Allan,, . (2010). An introduction to the legal system of the United States. Oxford: Oxford University Press.

MLA

Farnsworth E Allan,, . An introduction to the legal system of the United States. Oxford: Oxford University Press. 2010.