APA (7th ed.) Citation

Hirschfeld, C. C. L., & Parshall, L. B. (2001). Theory of garden art. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Hirschfeld, Christian Cajus Lorenz, and Linda B. Parshall. Theory of Garden Art. Philadelphia: University of Pennsylvania Press, 2001.

MLA (9th ed.) Citation

Hirschfeld, Christian Cajus Lorenz, and Linda B. Parshall. Theory of Garden Art. University of Pennsylvania Press, 2001.