Cita APA (7th ed.)

Tyler, N., Ligibel, T., & Tyler, I. R. (2009). Historic preservation: An introduction to its history, principles, and practice (2nd edition.). W.W. Norton & Co.

Cita Chicago (17th ed.)

Tyler, Norman, Ted Ligibel, i Ilene R. Tyler. Historic Preservation: An Introduction to Its History, Principles, and Practice. 2nd edition. New York: W.W. Norton & Co, 2009.

Cita MLA (9th ed.)

Tyler, Norman, et al. Historic Preservation: An Introduction to Its History, Principles, and Practice. 2nd edition. W.W. Norton & Co, 2009.