APA (7th ed.) Citation

Kinnaird, C. (1945). This must not happen again!: The black book of fascist horror.

Chicago Style (17th ed.) Citation

Kinnaird, Clark. This Must Not Happen Again!: The Black Book of Fascist Horror. 1945.

MLA (9th ed.) Citation

Kinnaird, Clark. This Must Not Happen Again!: The Black Book of Fascist Horror. 1945.

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