APA (7th ed.) Citation

National Geographic Society (U.S.) & Platis, G. (2016). The pulse of the park: Yellowstone elk migrations. National Geographic Partners.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.) and Gus Platis. The Pulse of the Park: Yellowstone Elk Migrations. Washington D.C.: National Geographic Partners, 2016.

MLA (9th ed.) Citation

National Geographic Society (U.S.) and Gus Platis. The Pulse of the Park: Yellowstone Elk Migrations. National Geographic Partners, 2016.