Maps.com (Firm) & ebrary, Inc. (2000). Prehistoric spread of hominids. Maps.com.
Citazione stile Chigago Style (17a edizione)Maps.com (Firm) e Inc ebrary. Prehistoric Spread of Hominids. [S.l.]: Maps.com, 2000.
Citatione MLA (9a ed.)Maps.com (Firm) e Inc ebrary. Prehistoric Spread of Hominids. Maps.com, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.