APA (7th ed.) Citation

Fletcher, G. L., & Wolfe, C. W. (1953). Earth science (3d ed.). Heath.

Chicago Style (17th ed.) Citation

Fletcher, Gustav Ludwig, and Caleb Wroe Wolfe. Earth Science. 3d ed. Boston: Heath, 1953.

MLA (9th ed.) Citation

Fletcher, Gustav Ludwig, and Caleb Wroe Wolfe. Earth Science. 3d ed. Heath, 1953.