APA (7th ed.) Zitazioa

Phelps, W. M. (2014). Nathan hale: The life and death of america's first spy. ForeEdge.

Chicago Style (17th ed.) Zitazioa

Phelps, William M. Nathan Hale: The Life and Death of America's First Spy. Lebanon, New Hampshire: ForeEdge, 2014.

MLA (9th ed.) Zitazioa

Phelps, William M. Nathan Hale: The Life and Death of America's First Spy. ForeEdge, 2014.