Lua APA (7ú heag.)
Harding, B. (1934). Phantom crown: The story of Maximilian and Carlota of Mexico. The Bobbs Merrill company.
Lua i Stíl Chicago (17ú heag.)
Harding, Bertita. Phantom Crown: The Story of Maximilian and Carlota of Mexico. Indianapoli and New York: The Bobbs Merrill company, 1934.
Lua MLA (9ú heag.)
Harding, Bertita. Phantom Crown: The Story of Maximilian and Carlota of Mexico. The Bobbs Merrill company, 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.