Porter, S. E. (2010). A functional letter perspective: Towards a grammar of epistolary form. Paul and the ancient letter form, 9-31.
Chicago Style (17th ed.) CitationPorter, Stanley E. "A Functional Letter Perspective: Towards a Grammar of Epistolary Form." Paul and the Ancient Letter Form 2010: 9-31.
MLA (8th ed.) CitationPorter, Stanley E. "A Functional Letter Perspective: Towards a Grammar of Epistolary Form." Paul and the Ancient Letter Form, 2010, pp. 9-31.
Warning: These citations may not always be 100% accurate.