APA (7th ed.) Citation

Nichols, R. L. (1986). American frontier and western issues: A historiographical review. Greenwood Press.

Chicago Style (17th ed.) Citation

Nichols, Roger L. American Frontier and Western Issues: A Historiographical Review. Westport, Conn.: Greenwood Press, 1986.

MLA (8th ed.) Citation

Nichols, Roger L. American Frontier and Western Issues: A Historiographical Review. Greenwood Press, 1986.

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