APA
Treitel G. H., . (2004). An outline of the law of contract. Oxford: Oxford University Press.
Chicago
Treitel G H, . 2004. An outline of the law of contract. Oxford: Oxford University Press.
Harvard
Treitel G. H., . (2004). An outline of the law of contract. Oxford: Oxford University Press.
MLA
Treitel G H, . An outline of the law of contract. Oxford: Oxford University Press. 2004.