APA (7th ed.) Citation

Sedgwick, L. K. (1965). The effectiveness of graphics as a basic communication medium. [publisher not identified].

Chicago Style (17th ed.) Citation

Sedgwick, Lorry King. The Effectiveness of Graphics as a Basic Communication Medium. [Place of publication not identified]: [publisher not identified], 1965.

MLA (9th ed.) Citation

Sedgwick, Lorry King. The Effectiveness of Graphics as a Basic Communication Medium. [publisher not identified], 1965.