APA (7th ed.) Citation

May, E. R. (1960). American intervention: 1917 and 1941. Service Center for Teachers of History.

Chicago Style (17th ed.) Citation

May, Ernest R. American Intervention: 1917 and 1941. Washington, DC: Service Center for Teachers of History, 1960.

MLA (9th ed.) Citation

May, Ernest R. American Intervention: 1917 and 1941. Service Center for Teachers of History, 1960.

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