APA Edition Citation

Paul, P. F. M., & Wise, W. S. (1971). The principles of gas extraction / (by) P.F.M. Paul, W.S. Wise. Mills and Boon.

Chicago Edition Citation

Paul, P. F. M., and William Sydney Wise. The Principles of Gas Extraction / (by) P.F.M. Paul, W.S. Wise. London: Mills and Boon, 1971.

MLA Edition Citation

Paul, P. F. M., and William Sydney Wise. The Principles of Gas Extraction / (by) P.F.M. Paul, W.S. Wise. Mills and Boon, 1971.