To cite historical newspapers, follow citing guidelines of a particular style (APA, MLA, etc.) like you would for any other newspaper. Also, make sure to include the date you accessed the content.
Provide the persistent/permalink available. In Chronicling America, the permalink can be found at the bottom of the display box.
APA citation guide: https://owl.english.purdue.edu/owl/resource/560/01/
MLA citation guide: https://owl.english.purdue.edu/owl/resource/747/01/
Chicago citation guide:
UF Library Guides
Listed below are a few projects created using Chronicling America data to provide visualization and offer another way to explore the newspapers.
The NEH hosted a contest, Chronicling America Data Challenge, to engage "the public to produce creative web-based projects using data pulled from Chronicling America, the digital repository of historic U.S. newspapers".
On July 27, 2016 the NEH announced the challenge winners. These projects are noted below.
1st prize: America's Public Bible: Biblical Quotations in U.S. Newspapers directed by Lincoln Mullen, Assistant Professor in the Department of History and art History at George Mason University (Fairfax, VA).
2nd prize: American Lynching: Uncovering a Cultural Narrative directed by Andrew Bales, PhD student in Creative Writing at the University of Cincinnati
Historical Agricultural News directed by Amy Giroux, Computer Research Specialist, Center for Humanities and Digital Research at the University of Central Florida
3rd prize: Chronicling Hoosier directed by Kristi Palmer, Associate Dean of Digital Scholarship at Indiana University-Purdue University
USNewsMap.com directed by Claudio Saunt, Professor in the Department of History, Co-Director Center for Virtual History and Associate Director, Institute of Native American Studies, University of Georgia
K-12 prize: Digital APUSH: Revealing History with Chronicling America directed by A.P. U.S. History Students at Sunapee High School