Cita APA (7th ed.)

Levin, H. L., & King, D. T. (2017). The earth through time (Eleventh edition.). John Wiley & Sons.

Cita Chicago (17th ed.)

Levin, Harold L., i David T. King. The Earth Through Time. Eleventh edition. Hoboken, NJ: John Wiley & Sons, 2017.

Cita MLA (9th ed.)

Levin, Harold L., i David T. King. The Earth Through Time. Eleventh edition. John Wiley & Sons, 2017.