Sagan, C. (1994). Pale blue dot: A vision of the human future in space. Ballantine books.
Chicago Edition CitationSagan, Carl. Pale Blue Dot: A Vision of the Human Future in Space. New York: Ballantine books, 1994.
MLA Edition CitationSagan, Carl. Pale Blue Dot: A Vision of the Human Future in Space. Ballantine books, 1994.
Warning: These citations may not always be 100% accurate.