APA (7th ed.) Citation

Richardson, J. F., Khan, A. R., & Blackwell, R. L. Hydraulic conveying in small diameter horizontal pipes.

Chicago Style (17th ed.) Citation

Richardson, J. F., A. R. Khan, and R. L. Blackwell. Hydraulic Conveying in Small Diameter Horizontal Pipes.

MLA (9th ed.) Citation

Richardson, J. F., et al. Hydraulic Conveying in Small Diameter Horizontal Pipes.