APA (7th ed.) Citation
(1984). Focus on earth science (teachers annoted ed.). Charles E. M.
Chicago Style (17th ed.) Citation
Focus on Earth Science. teachers annoted ed. Ohio: Charles E. M, 1984.
MLA (9th ed.) Citation
Focus on Earth Science. teachers annoted ed. Charles E. M, 1984.
Warning: These citations may not always be 100% accurate.