APA (7th ed.) Citation

Ward-Perkins, J. B. (1981). Roman imperial architecture. Penguin Books.

Chicago Style (17th ed.) Citation

Ward-Perkins, J. B. Roman Imperial Architecture. Harmondsworth: Penguin Books, 1981.

MLA (9th ed.) Citation

Ward-Perkins, J. B. Roman Imperial Architecture. Penguin Books, 1981.

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