MLA

Cumberlege, Geoffrey. Letter from Geoffrey Cumberlege, Oxford University Press, Re: New Edition of T. E. Lawrence's Odyssey. 1934. https://collections.library.yale.edu/catalog/16624859.

APA, 6th edition

Cumberlege, G. (1934). Letter from Geoffrey Cumberlege, Oxford University Press, re: new edition of T. E. Lawrence's Odyssey [Correspondence, Typescripts]. https://collections.library.yale.edu/catalog/16624859.