APA (7th ed.) Citation

Buehrig, E. H. (1944). American intervention in Europe, 1917 ..

Chicago Style (17th ed.) Citation

Buehrig, Edward H. American Intervention in Europe, 1917 .. [n.p, 1944.

MLA (8th ed.) Citation

Buehrig, Edward H. American Intervention in Europe, 1917 .. 1944.