Dave Leip's atlas of U.S. presidential elections
MLA
Leip, Dave. Dave Leip's Atlas of U.s. Presidential Elections. [United States]: Dave Leip
APA, 7th edition
Leip, D. Dave Leip's atlas of U.S. presidential elections. [United States]: Dave Leip
Chicago, 17th edition
Leip, Dave. Dave Leip's atlas of U.S. presidential elections. [United States]: Dave Leip