APA Style

Hyslop, S, G., Editor, N, K. (2016). The Secret History of World War II : Spies, Code Breakers & Covert Operations . Washington: National Geographic Partners.

MLA Style

Hyslop, Stephen, G.., Editor, Neil, Kagan. "The Secret History of World War II : Spies, Code Breakers & Covert Operations". Washington: National Geographic Partners, 2016. Text.