cite this entry
Carl Sagan
The archive is edited continuously; cite the access date. For scholarly work, please also consult the primary sources listed in the entry's references.
APA (7th edition)
The Keeper's editorial team. (2026). Carl Sagan. Humans of History. Retrieved September 14, 2026, from https://humansofhistory.com/person/carl-sagan
MLA (9th edition)
"Carl Sagan." Humans of History, 6 Sep. 2026, https://humansofhistory.com/person/carl-sagan. Accessed 14 Sep. 2026.
Chicago (17th edition)
Humans of History. "Carl Sagan." Last modified September 6, 2026. https://humansofhistory.com/person/carl-sagan.
BibTeX
@misc{hoh-carl-sagan,
title = {Carl Sagan},
author = {{The Keeper's editorial team}},
year = {2026},
howpublished = {\url{https://humansofhistory.com/person/carl-sagan}},
note = {Humans of History archive, accessed 2026-09-14}
}