Cita APA (7th ed.)

Kump, L. R., Kasting, J. F., & Crane, R. G. (2018). The Earth System (3rd ed.). Pearson.

Cita Chicago (17th ed.)

Kump, Lee R., James F. Kasting, i Robert G. Crane. The Earth System. 3rd ed. Tamil Nadu: Pearson, 2018.

Cita MLA (9th ed.)

Kump, Lee R., et al. The Earth System. 3rd ed. Pearson, 2018.