Complex sentence: He also notes that Coulter's citations are not footnotes in a literal sense, but rather endnotes, which are located at the end of the book rather than the foot of the page, which, he says, readers are far less likely to refer to.
Split into simpler sentences: He also notes that Coulter's citations are not footnotes in a literal sense, but rather endnotes, which are located at the end of the book rather than the foot of the page. Endnotes, he says, readers are far less likely to refer to.