APA

Murphy J. R., Whittington E., Kellogg M., World Petroleum Congress (11th. : 1983 : London), Whittington E. & Kellogg M.Development of reduced crude catalytic cracking technology. : .

Chicago

Murphy James R, Whittington E.L, Kellogg M.W, World Petroleum Congress (11th. : 1983 : London), Whittington E.L and Kellogg M.W.Development of reduced crude catalytic cracking technology. : .

Harvard

Murphy J. R., Whittington E., Kellogg M., World Petroleum Congress (11th. : 1983 : London), Whittington E. and Kellogg M.Development of reduced crude catalytic cracking technology. : .

MLA

Murphy James R, Whittington E.L, Kellogg M.W, World Petroleum Congress (11th. : 1983 : London), Whittington E.L and Kellogg M.W.: . .