APA (7th ed.) Citation

Willman, B. M. (1992). An investigation of soil-tool interaction theories as they apply to a Lunar soil simulant. [publisher not identified].

Chicago Style (17th ed.) Citation

Willman, Brian Michael. An Investigation of Soil-tool Interaction Theories as They Apply to a Lunar Soil Simulant. [Place of publication not identified]: [publisher not identified], 1992.

MLA (9th ed.) Citation

Willman, Brian Michael. An Investigation of Soil-tool Interaction Theories as They Apply to a Lunar Soil Simulant. [publisher not identified], 1992.