Cita APA (7a ed.)

Ristvet, L. (2007). In the Beginning. World history from human evolution to the first states (1a. Ediciòn.). Mc Graw Hill.

Cita Chicago Style (17a ed.)

Ristvet, Lauren. In the Beginning. World History from Human Evolution to the First States. 1a. Ediciòn. Estados Unidos: Mc Graw Hill, 2007.

Cita MLA (9a ed.)

Ristvet, Lauren. In the Beginning. World History from Human Evolution to the First States. 1a. Ediciòn. Mc Graw Hill, 2007.