APA (7th ed.) Citation

Gies, F., & Gies, J. (1994). Cathedral, forge, and waterwheel: Technology and invention in the middle ages (Reimpressions: 1995.). HarperPerennial.

Chicago Style (17th ed.) Citation

Gies, Frances, and Joseph Gies. Cathedral, Forge, and Waterwheel: Technology and Invention in the Middle Ages. Reimpressions: 1995. New York: HarperPerennial, 1994.

MLA (9th ed.) Citation

Gies, Frances, and Joseph Gies. Cathedral, Forge, and Waterwheel: Technology and Invention in the Middle Ages. Reimpressions: 1995. HarperPerennial, 1994.

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