APA (7th ed.) Citation

Ray, M. H., & Nicholls, R. P. (1988). The Traveler's guide to American gardens. University of North Carolina Press.

Chicago Style (17th ed.) Citation

Ray, Mary Helen, and Robert P. Nicholls. The Traveler's Guide to American Gardens. Chapel Hill & London: University of North Carolina Press, 1988.

MLA (9th ed.) Citation

Ray, Mary Helen, and Robert P. Nicholls. The Traveler's Guide to American Gardens. University of North Carolina Press, 1988.