APA (7th ed.) Citation

Laing, D. (1991). The earth system: An introduction to earth science. Wm.C. Brown Publishers.

Chicago Style (17th ed.) Citation

Laing, David. The Earth System: An Introduction to Earth Science. Dubuque, Iowa: Wm.C. Brown Publishers, 1991.

MLA (8th ed.) Citation

Laing, David. The Earth System: An Introduction to Earth Science. Wm.C. Brown Publishers, 1991.

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