APA (7th ed.) Citation

May, E. R. (1959). The World War and American isolation, 1914-1917.

Chicago Style (17th ed.) Citation

May, Ernest R. The World War and American Isolation, 1914-1917. 1959.

MLA (9th ed.) Citation

May, Ernest R. The World War and American Isolation, 1914-1917. 1959.

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