APA (7th ed.) Citation

Lawrence, L. R. (1968). Powder segregation during the filling of a simple die. [publisher not identified].

Chicago Style (17th ed.) Citation

Lawrence, Larry Raymond. Powder Segregation During the Filling of a Simple Die. [College Station, Tex.]: [publisher not identified], 1968.

MLA (9th ed.) Citation

Lawrence, Larry Raymond. Powder Segregation During the Filling of a Simple Die. [publisher not identified], 1968.