Field, M. (1998). Improving your written English: How to sharpen up your grammar, punctuation and spelling for everyday use (2nd ed.). How To Books.
Chicago Style (17th ed.) CitationField, Marion. Improving Your Written English: How to Sharpen Up Your Grammar, Punctuation and Spelling for Everyday Use. 2nd ed. Plymouth: How To Books, 1998.
MLA (9th ed.) CitationField, Marion. Improving Your Written English: How to Sharpen Up Your Grammar, Punctuation and Spelling for Everyday Use. 2nd ed. How To Books, 1998.
Warning: These citations may not always be 100% accurate.