APA (7th ed.) Citation

Walker, L. (1980). Attached solar greenhouses (sunspaces). Colorado State University Extension Service.

Chicago Style (17th ed.) Citation

Walker, Lloyd. Attached Solar Greenhouses (sunspaces). [Fort Collins, Colo.]: Colorado State University Extension Service, 1980.

MLA (9th ed.) Citation

Walker, Lloyd. Attached Solar Greenhouses (sunspaces). Colorado State University Extension Service, 1980.

Warning: These citations may not always be 100% accurate.