82. Garfield, Eugene. "Citation Indexing: A Natural Science Literature Retrieval System for the Social Sciences", The American Behavioral Scientist, 7 (10), p. 58-61, 1964 June. Reprinted in: Essays of an Information Scientist, Vol. 6, p. 499, 1964-1966

82. Garfield, Eugene. "Citation Indexing: A Natural Science Literature Retrieval System for the Social Sciences", The American Behavioral Scientist, 7 (10), p. 58-61, 1964 June. Reprinted in: Essays of an Information Scientist, Vol. 6, p. 499, 1964-1966, Box: 90, Folder: 45. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20859 Accessed November 05, 2024.