(1971). Electronic trends: E2 1 literature data bases ([1st ed.].). Predicasts.
Chicago Style (17th ed.) CitationElectronic Trends: E2 1 Literature Data Bases. [1st ed.]. Cleveland: Predicasts, 1971.
MLA (9th ed.) CitationElectronic Trends: E2 1 Literature Data Bases. [1st ed.]. Predicasts, 1971.
Warning: These citations may not always be 100% accurate.