APA (7th ed.) Citation
Current contents: Physical, chemical and earth sciences : 1999 annual. Institute for Scientific Information.
Chicago Style (17th ed.) Citation
Current Contents: Physical, Chemical and Earth Sciences : 1999 Annual. Filadelfia, EUA: Institute for Scientific Information.
MLA (9th ed.) Citation
Current Contents: Physical, Chemical and Earth Sciences : 1999 Annual. Institute for Scientific Information.
Warning: These citations may not always be 100% accurate.