APA (7th ed.) Citation

Wittkower, R. (1965). Architectural principles in the age of humanism. Random House.

Chicago Style (17th ed.) Citation

Wittkower, Rudolf. Architectural Principles in the Age of Humanism. New York: Random House, 1965.

MLA (9th ed.) Citation

Wittkower, Rudolf. Architectural Principles in the Age of Humanism. Random House, 1965.

Warning: These citations may not always be 100% accurate.