Butler E. and others & E. Butler, M. A. H. (1976). Correct writing (2-nd ed.). D.C. Heath.
Chicago Style (17th ed.) CitationButler E. and others and M. A. Hickman E. Butler. Correct Writing. 2-nd ed. Л: D.C. Heath, 1976.
MLA (8th ed.) CitationButler E. and others and M. A. Hickman E. Butler. Correct Writing. 2-nd ed. D.C. Heath, 1976.
Warning: These citations may not always be 100% accurate.