Cita APA (7a ed.)

Barrell, J. (1918). The Evolution of the Earth: And its Inhabitants. Yale University.

Cita Chicago Style (17a ed.)

Barrell, Joseph. The Evolution of the Earth: And Its Inhabitants. New Haven: Yale University, 1918.

Cita MLA (8a ed.)

Barrell, Joseph. The Evolution of the Earth: And Its Inhabitants. Yale University, 1918.