Cita APA (7th ed.)
Burchfield, R. (1972). A supplement to the Oxford english dictionary (ed.). Oxford University Press.
Cita Chicago (17th ed.)
Burchfield, R.W. A Supplement to the Oxford English Dictionary. ed. New York: Oxford University Press, 1972.
Cita MLA (9th ed.)
Burchfield, R.W. A Supplement to the Oxford English Dictionary. ed. Oxford University Press, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.