APA (7th ed.) Citation

Harland, W. B. (1960). The earth: Rocks, minerals, and fossils. Watts.

Chicago Style (17th ed.) Citation

Harland, W. B. The Earth: Rocks, Minerals, and Fossils. New York: Watts, 1960.

MLA (9th ed.) Citation

Harland, W. B. The Earth: Rocks, Minerals, and Fossils. Watts, 1960.

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