APA (7th ed.) Citation
Duff, P. M. D., Hallam, A., & Walton, E. K. (1967). Cyclic Sedimentation. Elsevier.
Chicago Style (17th ed.) Citation
Duff, Peter McLaren Donald, Anthony Hallam, and Ewart Kendall Walton. Cyclic Sedimentation. Amsterdam, London, New York: Elsevier, 1967.
MLA (9th ed.) Citation
Duff, Peter McLaren Donald, et al. Cyclic Sedimentation. Elsevier, 1967.
Warning: These citations may not always be 100% accurate.