"Duke University Press" vs "Duke University Press Books" Which of these bibliography citations is preferred?:


  Weld, Kirsten. Paper Cadavers: The Archives of Dictatorship in Guatemala. Durham: Duke University Press, 2014.
  
  Weld, Kirsten. Paper Cadavers: The Archives of Dictatorship in Guatemala. Durham: Duke University Press Books, 2014.


Google shows both forms are in use for this particular book (and many like it). 
 In total, Google yields 442,000 results for "Durham: Duke University Press" and 14,200 results for "Durham: Duke University Press Books." Why are there two competing forms?
Their web site says Duke University Press (see also here) and the copyright page from the amazon.com "Look inside" option says Duke University Press. Googling "Duke University Press Books" suggests to me that the addition of "Books" is extra, not part of the official name, such as saying "Dover Publishers Books" rather than "Dover Publishers". Thus, I think Duke University Press is what you want to use.