Clay County, Kentucky. Clay County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 21,730. Its county seat is Manchester. The county was formed in 1807 and named in honor of Green Clay (1757â1826).
1 Author's full name, last name first, followed by a period. If there are multiple authors, place a comma between each name, including a terminal comma, and preface the last author's name with 2  &. Year of publication, in parentheses, followed by a period.  The book's title, italicized. End with a period.
Citing Books Using MLA Style. 1  1. Cite a book in MLA style both within the text and on a âWorks Citedâ page. The text citation is parenthetical, which means the source reference is surrounded by parenthesis after you have used a quote, or after you have paraphrased something from a book.