APA (7th ed.) Citation

(1981). The Frontier in history: North America and Southern Africa compared. Yale University Press.

Chicago Style (17th ed.) Citation

The Frontier in History: North America and Southern Africa Compared. New Haven: Yale University Press, 1981.

MLA (9th ed.) Citation

The Frontier in History: North America and Southern Africa Compared. Yale University Press, 1981.

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