APA (7th ed.) Citation

Fletcher, G. L. (1959). Earth science. D.C. Heath.

Chicago Style (17th ed.) Citation

Fletcher, Gustav Ludwig. Earth Science. Boston: D.C. Heath, 1959.

MLA (9th ed.) Citation

Fletcher, Gustav Ludwig. Earth Science. D.C. Heath, 1959.

Warning: These citations may not always be 100% accurate.