Covell, L. T. (1857). A digest of English grammar, synthetical and analytical: Classified and methodically arranged : accompanied by a chart of sentences, and adapted to the use of schools (11th ed.). D. Appleton & Co. ; A.H. English & Co..
Chicago Style (17th ed.) CitationCovell, L. T. A Digest of English Grammar, Synthetical and Analytical: Classified and Methodically Arranged : Accompanied by a Chart of Sentences, and Adapted to the Use of Schools. 11th ed. New York : Pittsburg: D. Appleton & Co. ; A.H. English & Co., 1857.
MLA (8th ed.) CitationCovell, L. T. A Digest of English Grammar, Synthetical and Analytical: Classified and Methodically Arranged : Accompanied by a Chart of Sentences, and Adapted to the Use of Schools. 11th ed. D. Appleton & Co. ; A.H. English & Co., 1857.