APA

Allen R., Rennie S. & Mannion J. (2012). Oxford English Dictionary for Schools. Oxford: Oxford University Press.

Chicago

Allen R, Rennie S and Mannion J. 2012. Oxford English Dictionary for Schools. Oxford: Oxford University Press.

Harvard

Allen R., Rennie S. and Mannion J. (2012). Oxford English Dictionary for Schools. Oxford: Oxford University Press.

MLA

Allen R, Rennie S and Mannion J. Oxford English Dictionary for Schools. Oxford: Oxford University Press. 2012.