APA (7th ed.) Citation

Keller, J. T., & Keller, G. P. (1987). How to evaluate and nominate designed historic landscapes. U.S. Dept. of the Interior, National Park Service, Interagency Resources Division.

Chicago Style (17th ed.) Citation

Keller, J. Timothy, and Genevieve P. Keller. How to Evaluate and Nominate Designed Historic Landscapes. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, Interagency Resources Division, 1987.

MLA (9th ed.) Citation

Keller, J. Timothy, and Genevieve P. Keller. How to Evaluate and Nominate Designed Historic Landscapes. U.S. Dept. of the Interior, National Park Service, Interagency Resources Division, 1987.