Gaya APA

Velasco, J. (2011). Poster: The Great Rift Valley: Dynamics of Life in The Albertine Rift: National Geographic . Washington D.C: National Geographic.

Gaya MLA

Velasco, Juan. "Poster: The Great Rift Valley: Dynamics of Life in The Albertine Rift: National Geographic". Washington D.C: National Geographic, 2011. Text.