Cita APA (7a ed.)

Wittkower, R. (1988). Architectural principles in the age of humanism. Academy Editions.

Cita Chicago Style (17a ed.)

Wittkower, Rudolf. Architectural Principles in the Age of Humanism. London: Academy Editions, 1988.

Cita MLA (9a ed.)

Wittkower, Rudolf. Architectural Principles in the Age of Humanism. Academy Editions, 1988.