Butler, Eugenia. Correct writing form 2 Eugenia Butler, Mary Ann Hickman, Lalla Overby. - 2d ed. - Lexington, Mass. D.C. Heath 1978. - xiv, 364 p. 24 cm. ISBN: 0669016276 Subjects--Topical Terms: English language--Grammar--1950-English language--Composition and exercises.