Paper  bibtex   

@misc{ the_college_of_physicians_of_philadelphia_ethical_????,
  title = {Ethical Issues and Vaccines — History of Vaccines},
  url = {http://www.historyofvaccines.org/content/articles/ethical-issues-and-vaccines},
  urldate = {2014-05-17},
  author = {{The College of Physicians of Philadelphia}},
  file = {Ethical Issues and Vaccines — History of Vaccines:C\:\\Users\\jdodell\\AppData\\Roaming\\Mozilla\\Firefox\\Profiles\\gngr6308.default\\zotero\\storage\\9Z4JE2E2\ƪical-issues-and-vaccines.html:text/html}
}