APA (7th ed.) Citation

(1920). The horror on the Rhine. (With a preface by Arthur Ponsonby). Union of Democratic Control.

Chicago Style (17th ed.) Citation

The Horror on the Rhine. (With a Preface by Arthur Ponsonby). Union of Democratic Control, 1920.

MLA (8th ed.) Citation

The Horror on the Rhine. (With a Preface by Arthur Ponsonby). Union of Democratic Control, 1920.

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