Citazione Stile APA (7a Edizione)

Wittkower, R., & Fraser, D. (1967). Essays in the history of architecture. Phaidon.

Citazione stile Chigago Style (17a edizione)

Wittkower, Rudolf, e Douglas Fraser. Essays in the History of Architecture. London: Phaidon, 1967.

Citatione MLA (9a ed.)

Wittkower, Rudolf, e Douglas Fraser. Essays in the History of Architecture. Phaidon, 1967.