APA (7th ed.) Citation

Knudson, L. E. (1980). A three-dimensional computer model of whole-body human motion. [publisher not identified].

Chicago Style (17th ed.) Citation

Knudson, Lyle E. A Three-dimensional Computer Model of Whole-body Human Motion. [Place of publication not identified]: [publisher not identified], 1980.

MLA (9th ed.) Citation

Knudson, Lyle E. A Three-dimensional Computer Model of Whole-body Human Motion. [publisher not identified], 1980.