APA (7th ed.) Citation

White, T. H., & Gallix, F. (1982). Letters to a friend: The correspondence between T.H. White and L.J. Potts. Putnam.

Chicago Style (17th ed.) Citation

White, T. H., and François Gallix. Letters to a Friend: The Correspondence Between T.H. White and L.J. Potts. New York: Putnam, 1982.

MLA (9th ed.) Citation

White, T. H., and François Gallix. Letters to a Friend: The Correspondence Between T.H. White and L.J. Potts. Putnam, 1982.