APA (7th ed.) Citation

Burt, R. O., & Mills, C. (1985). Gravity concentration technology. Elsevier.

Chicago Style (17th ed.) Citation

Burt, Richard O., and Chris Mills. Gravity Concentration Technology. Amsterdam: Elsevier, 1985.

MLA (9th ed.) Citation

Burt, Richard O., and Chris Mills. Gravity Concentration Technology. Elsevier, 1985.