APA Style
      Selb, Peter, Grofman, Bernard. (2011).
    Turnout and the (effective) number of parties at the national and district levels: A puzzle-solving approach (Vol. 17 no. 1, January 2011.pp. 93-117).
    Thousand Oak:
  sage publisher.
  
Chicago Style
      Selb, Peter, Grofman, Bernard.
    Turnout and the (effective) number of parties at the national and district levels: A puzzle-solving approach.
    Vol. 17 no. 1, January 2011.pp. 93-117
    Thousand Oak:
  sage publisher,
  2011.
  Journal Articles.
  
MLA Style
      Selb, Peter, Grofman, Bernard.
    Turnout and the (effective) number of parties at the national and district levels: A puzzle-solving approach.
    Vol. 17 no. 1, January 2011.pp. 93-117
    Thousand Oak:
  sage publisher,
  2011.
  Journal Articles.
  
Turabian Style
      Selb, Peter, Grofman, Bernard.
    Turnout and the (effective) number of parties at the national and district levels: A puzzle-solving approach.
    Vol. 17 no. 1, January 2011.pp. 93-117 
    Thousand Oak:
  sage publisher,
  2011.
  Journal Articles.