APA Style
      Essentials of marketing : a marketing strategy planning approach. -- 13th edition. (2012).
    New York:
  McGraw-Hill/Irwin.
  
MLA Style
      Essentials of marketing : a marketing strategy planning approach. -- 13th edition.
    13th edition.
    New York:
  McGraw-Hill/Irwin,
  2012.
  Text.