Cita APA (7a ed.)

Wittkower, R. (1998). Architectural principles in the age of humanism (5th ed.). Academy Editions.

Cita Chicago Style (17a ed.)

Wittkower, Rudolf. Architectural Principles in the Age of Humanism. 5th ed. Chichester, West Sussex: Academy Editions, 1998.

Cita MLA (9a ed.)

Wittkower, Rudolf. Architectural Principles in the Age of Humanism. 5th ed. Academy Editions, 1998.