APA (7th ed.) Citation

Mills, D. P. D. (1989). Pneumatic conveying design guide. Butterworths.

Chicago Style (17th ed.) Citation

Mills, David Ph. D. Pneumatic Conveying Design Guide. London: Butterworths, 1989.

MLA (9th ed.) Citation

Mills, David Ph. D. Pneumatic Conveying Design Guide. Butterworths, 1989.