APA (7th ed.) Citation

Smith, C. c. 2. J., & Ackerman, J. S. (2001). Before and after the end of time: Architecture and the year 1000. Braziller.

Chicago Style (17th ed.) Citation

Smith, Christine ca. 20./21. Jh, and James S. Ackerman. Before and After the End of Time: Architecture and the Year 1000. New York: Braziller, 2001.

MLA (9th ed.) Citation

Smith, Christine ca. 20./21. Jh, and James S. Ackerman. Before and After the End of Time: Architecture and the Year 1000. Braziller, 2001.