Watts and Strogatz cited 27 sources. The disciplines and subjects that are cited seem to revolve around biology in terms of infectious diseases, genetic algorithms, nerves and cellular events. There were also a couple of sources that deals with psychology and spatial relations. This article is cited 8749 times and the top 3 authors who cite this article are Chen GR, Wang BH and Zhou T. The subjects that tend to cite this article are multidisciplinary physics, mathematical physics and physics of fluid plasmas. Over time it seems as though the article is cited more, in 2007 the percentage of citations was 8.343% (of the total citations) and in 2013 it was 13.925%, thus showing an increase in the times the article is cited over time.