APA (7th ed.) Citation

Ray, M. H., & Nicholls, R. P. (1982). A Guide to significant & historic gardens of America. Agee Publishers.

Chicago Style (17th ed.) Citation

Ray, Mary Helen, and Robert P. Nicholls. A Guide to Significant & Historic Gardens of America. Athens, Ga.: Agee Publishers, 1982.

MLA (9th ed.) Citation

Ray, Mary Helen, and Robert P. Nicholls. A Guide to Significant & Historic Gardens of America. Agee Publishers, 1982.