APA
Bates D., . (2013). The Normans and empire. Oxford: Oxford University Press.
Chicago
Bates David, . 2013. The Normans and empire. Oxford: Oxford University Press.
Harvard
Bates D., . (2013). The Normans and empire. Oxford: Oxford University Press.
MLA
Bates David, . The Normans and empire. Oxford: Oxford University Press. 2013.