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.
How to cite sources in the text. In-text citations alert readers to cited material and tell them exactly where to go and look. These citations work in conjunction with a bibliography. Usually, an in-text citation is a combination of a name (usually the authorâs) and a number (either a year, a page number, or both).