APA Style
      Schoell, William F., Guiltinan, Joseph P., Valvatne, Laura. (1993).
    MARKETING ESSENTIALS MASTERING CONCEPTS AND PRACTICES .
    Massachusetts, A.S:
  Allyn and Bacon, Inc..
  
Chicago Style
      Schoell, William F., Guiltinan, Joseph P., Valvatne, Laura.
    MARKETING ESSENTIALS MASTERING CONCEPTS AND PRACTICES.
    
    Massachusetts, A.S:
  Allyn and Bacon, Inc.,
  1993.
  Text.
  
MLA Style
      Schoell, William F., Guiltinan, Joseph P., Valvatne, Laura.
    MARKETING ESSENTIALS MASTERING CONCEPTS AND PRACTICES.
    
    Massachusetts, A.S:
  Allyn and Bacon, Inc.,
  1993.
  Text.
  
Turabian Style
      Schoell, William F., Guiltinan, Joseph P., Valvatne, Laura.
    MARKETING ESSENTIALS MASTERING CONCEPTS AND PRACTICES.
     
    Massachusetts, A.S:
  Allyn and Bacon, Inc.,
  1993.
  Print.