APA (7th ed.) Citation

Ward-Perkins, J. B., & Boëthius, A. (1981). Roman imperial architecture / J.B. Ward-Perkins (2nd (integrated) ed.). Penguin.

Chicago Style (17th ed.) Citation

Ward-Perkins, J. B., and Axel Boëthius. Roman Imperial Architecture / J.B. Ward-Perkins. 2nd (integrated) ed. New York ; Harmondsworth: Penguin, 1981.

MLA (9th ed.) Citation

Ward-Perkins, J. B., and Axel Boëthius. Roman Imperial Architecture / J.B. Ward-Perkins. 2nd (integrated) ed. Penguin, 1981.

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