APA
(1961). Supplement to the Oxford English Dictionary. Oxford: At the Clarendon Press.
Chicago
1961. Supplement to the Oxford English Dictionary. Oxford: At the Clarendon Press.
Harvard
(1961). Supplement to the Oxford English Dictionary. Oxford: At the Clarendon Press.
MLA
Supplement to the Oxford English Dictionary. Oxford: At the Clarendon Press. 1961.
