APA Style

(U.S.), N, G, S. (2015). National Geographic Little Kids First Big Book of Who (National Geographic Little Kids First Big Books) Hardcover . Washington D.C.: National Geographic Society.

MLA Style

(U.S.), National, Geographic, Society. "National Geographic Little Kids First Big Book of Who (National Geographic Little Kids First Big Books) Hardcover". Washington D.C.: National Geographic Society, 2015. Text.