APA (7th ed.) Citation

Dunham, W. A. (1948). It's a date. [publisher not identified].

Chicago Style (17th ed.) Citation

Dunham, Wayland A. It's a Date. [San Marino? Calif.]: [publisher not identified], 1948.

MLA (8th ed.) Citation

Dunham, Wayland A. It's a Date. [publisher not identified], 1948.