Kramer, S. N. (1982). Two Firsts in Man's Recorded History.
Chicago Style (17th ed.) CitationKramer, S. N. Two Firsts in Man's Recorded History. 1982.
MLA (8th ed.) CitationKramer, S. N. Two Firsts in Man's Recorded History. 1982.
Warning: These citations may not always be 100% accurate.