APA (7th ed.) Citation

National Geographic Society (U.S.), WQED (Television station : Pittsburgh, Pa.), & Vestron Video (Firm). (1988). The Explorers: A century of discovery (Centennial ed., collector's ed.). Vestron Video.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.), Pa.) WQED (Television station : Pittsburgh, and Vestron Video (Firm). The Explorers: A Century of Discovery. Centennial ed., collector's ed. Stamford, CT: Vestron Video, 1988.

MLA (9th ed.) Citation

National Geographic Society (U.S.), et al. The Explorers: A Century of Discovery. Centennial ed., collector's ed. Vestron Video, 1988.