APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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