Roberts, P. D. (1986). How poetry works: The elements of English poetry. Penguin Books.
Chicago Style (17th ed.) CitationRoberts, Philip Davies. How Poetry Works: The Elements of English Poetry. Harmondsworth, Middlesex, England: Penguin Books, 1986.
MLA (9th ed.) CitationRoberts, Philip Davies. How Poetry Works: The Elements of English Poetry. Penguin Books, 1986.
Warning: These citations may not always be 100% accurate.