APA Edition Citation

Potts, K. H., & Machell, K. (1995). Manual screw press: For small-scale oil extraction. Intermediate technology publications.

Chicago Edition Citation

Potts, Kathryn H., and Keith Machell. Manual Screw Press: For Small-scale Oil Extraction. London: Intermediate technology publications, 1995.

MLA Edition Citation

Potts, Kathryn H., and Keith Machell. Manual Screw Press: For Small-scale Oil Extraction. Intermediate technology publications, 1995.