Kitschelt, H. P. (1990). The Medium is the Message: Democracy and Oligarchy in Belgian Ecology Parties. In W. Rüdig (Ed.), Green Politics I (pp. 82–114). Edinburgh: University of Edinburgh Press.

Kitschelt, H. P. “The Medium is the Message: Democracy and Oligarchy in Belgian Ecology Parties.” In Green Politics I, edited by Wolfgang Rüdig, 82–114. Edinburgh: University of Edinburgh Press, 1990.

Kitschelt HP. The Medium is the Message: Democracy and Oligarchy in Belgian Ecology Parties. In: Rüdig W, editor. Green Politics I. Edinburgh: University of Edinburgh Press; 1990. p. 82–114.

Kitschelt, H. P. “The Medium is the Message: Democracy and Oligarchy in Belgian Ecology Parties.” Green Politics I, edited by Wolfgang Rüdig, Edinburgh: University of Edinburgh Press, 1990, pp. 82–114.

Kitschelt HP. The Medium is the Message: Democracy and Oligarchy in Belgian Ecology Parties. In: Rüdig W, editor. Green Politics I. Edinburgh: University of Edinburgh Press; 1990. p. 82–114.