APA (7th ed.) Citation

Field. (2003). Improve your Written english: Master the essentials of grammar,punctuation and spelling and write with greater confidence (4th ed.). How To Books.

Chicago Style (17th ed.) Citation

Field. Improve Your Written English: Master the Essentials of Grammar,punctuation and Spelling and Write with Greater Confidence. 4th ed. oxford: How To Books, 2003.

MLA (9th ed.) Citation

Field. Improve Your Written English: Master the Essentials of Grammar,punctuation and Spelling and Write with Greater Confidence. 4th ed. How To Books, 2003.

Warning: These citations may not always be 100% accurate.