APA (7th ed.) Citation

Duff, P. M. D., Hallam, A., & Walton, E. K. (1967). Cyclic sedimentation. Elsevier.

Chicago Style (17th ed.) Citation

Duff, P. McL. D., A. Hallam, and E. K. Walton. Cyclic Sedimentation. Amsterdam: Elsevier, 1967.

MLA (9th ed.) Citation

Duff, P. McL. D., et al. Cyclic Sedimentation. Elsevier, 1967.