Cita APA (7th ed.)

Hamblin, W. K., & Christiansen, E. H. (1995). Earth's dynamic systems (7th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Hamblin, W. Kenneth, i Eric H. Christiansen. Earth's Dynamic Systems. 7th ed. Englewood Cliffs, N. J: Prentice-Hall, 1995.

Cita MLA (9th ed.)

Hamblin, W. Kenneth, i Eric H. Christiansen. Earth's Dynamic Systems. 7th ed. Prentice-Hall, 1995.