APA Citation

Keylor, W. R. Charles de Gaulle: A thorn in the side of six American presidents.

Chicago Style Citation

Keylor, William R. Charles De Gaulle: A Thorn in the Side of Six American Presidents.

MLA Citation

Keylor, William R. Charles De Gaulle: A Thorn in the Side of Six American Presidents.

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