General INFOhio INFOhio - Ohio's PreK-12 Digital Library The Public Library of Cincinnati and Hamilton County Connecting people with the world of ideas and information. Primary Source Sets DPLA Primary Source Sets are designed to help students develop their critical thinking skills by exploring topics in history, literature, and culture through primary sources. BibMe: Free Bibliography & Citation Maker BibMe Free Bibliography & Citation Maker - MLA, APA, Chicago, Harvard EasyBib Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles. Now supports 7th edition of MLA. Citation Machine Citation Machine™ helps students and professionals properly credit the information that they use. Cite sources in APA, MLA, Chicago, Turabian, and Harvard for free.