Harford, J. (2007). Sputnik and the dawn of the space age.
Chicago Style (17th ed.) CitationHarford, James. Sputnik and the Dawn of the Space Age. 2007.
MLA (9th ed.) CitationHarford, James. Sputnik and the Dawn of the Space Age. 2007.
Warning: These citations may not always be 100% accurate.