APA (7th ed.) Citation

Walsh, M. (1981). The American frontier revisited. MacMillan.

Chicago Style (17th ed.) Citation

Walsh, Margaret. The American Frontier Revisited. London: MacMillan, 1981.

MLA (9th ed.) Citation

Walsh, Margaret. The American Frontier Revisited. MacMillan, 1981.

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