APA (7th ed.) Citation

(1976). Vertical axis sail windmill plans. Low Energy Systems.

Chicago Style (17th ed.) Citation

Vertical Axis Sail Windmill Plans. Dublin, Ireland: Low Energy Systems, 1976.

MLA (9th ed.) Citation

Vertical Axis Sail Windmill Plans. Low Energy Systems, 1976.

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