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.
Books, retrieved print source. Place title in the author's position; alphabetize on reference list by the first significant word in the title; cite in text using a few words of the title, or the whole title if it is short, in place of the author's name.