APA (7th ed.) Citation

Ward, D. J. H. (1955). Letters to future ages. [publisher not identified].

Chicago Style (17th ed.) Citation

Ward, Duren J. H. Letters to Future Ages. [Denver?]: [publisher not identified], 1955.

MLA (9th ed.) Citation

Ward, Duren J. H. Letters to Future Ages. [publisher not identified], 1955.