The correct answer is D.
<em>Works Cited Page</em> is a list of sources used in an essay or research paper written in MLA ( Modern Language Association ) style. It is usually the last page of the document. Each source quoted, summarized or paraphrased in the paper should appear as an entry in the Works Cited Page.
In this given example ( the same applies to the two others ), the italics entries indicate <em>the book title.</em>
Brown, Laaren, and Lenny Hort. <em>Nelson Mandela.</em> New York : DK Pub., 2006, Print.
Brown, Laaren, Lenny Hort are the names of the book's authors.
<em>Nelson Mandela is the book's title.</em>
New York DK Pub is the publisher of the book in the year 2006.
Print is the format of the book ( printed and not digital ).