@article{christenson_1992, 
  title={Fashions in Science: Opinion Leaders and Collective Behavior in the Social Sciences, by Irwin Sperber, University of Minnesota Press, Minneapolis, 1990}, 
  DOI={10.5334/bha.02210}, 
  publisher={Ubiquity Press, Ltd.}, 
  author={Christenson}, 
  year={1992}, 
  month={Nov}
  }