APA (7th ed.) Citation

Kumar, D., & Kumar, D. (2023). Phosphate rock: An industry in transition. Elsevier.

Chicago Style (17th ed.) Citation

Kumar, Dilip, and Deepak Kumar. Phosphate Rock: An Industry in Transition. Amsterdam, Netherlands ; Oxford, United Kingdom ; Cambridge MA: Elsevier, 2023.

MLA (9th ed.) Citation

Kumar, Dilip, and Deepak Kumar. Phosphate Rock: An Industry in Transition. Elsevier, 2023.