Cita APA (7th ed.)

National Geographic Society, Washington, D.C, Prentice, P., Schnall, P., & Weber, C. (1989). Search for battleship: Bismark. The Society.

Cita Chicago (17th ed.)

National Geographic Society, Washington, D.C, Patrick Prentice, Peter Schnall, i Christine Weber. Search for Battleship: Bismark. Washington, D.C: The Society, 1989.

Cita MLA (9th ed.)

National Geographic Society, Washington, D.C, et al. Search for Battleship: Bismark. The Society, 1989.