APA (7th ed.) Citation

Kimball, C. N. (1968). Problems & promises: Technology in a changing world. [publisher not identified].

Chicago Style (17th ed.) Citation

Kimball, Charles Newton. Problems & Promises: Technology in a Changing World. [Place of publication not identified]: [publisher not identified], 1968.

MLA (9th ed.) Citation

Kimball, Charles Newton. Problems & Promises: Technology in a Changing World. [publisher not identified], 1968.