APA (7th ed.) Citation

Huntington, E. (1947). Mainspring of civilization. John Willey and Sons.

Chicago Style (17th ed.) Citation

Huntington, Ellsworth. Mainspring of Civilization. John Willey and Sons, 1947.

MLA (8th ed.) Citation

Huntington, Ellsworth. Mainspring of Civilization. John Willey and Sons, 1947.

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