Citazione Stile APA (7a Edizione)

Viollet-le-Duc, E., & Hearn, M. F. (1990). The architectural theory of Viollet-le-Duc: Readings and commentary. MIT Press.

Citazione stile Chigago Style (17a edizione)

Viollet-le-Duc, Eugene-Emmanuel, e M. F. Hearn. The Architectural Theory of Viollet-le-Duc: Readings and Commentary. Cambridge, Mass: MIT Press, 1990.

Citatione MLA (9a ed.)

Viollet-le-Duc, Eugene-Emmanuel, e M. F. Hearn. The Architectural Theory of Viollet-le-Duc: Readings and Commentary. MIT Press, 1990.