Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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