APA (7th ed.) Citation

American Civil Liberties Union. Constitutional liberty: "the past is prologue". American Civil Liberties Union.

Chicago Style (17th ed.) Citation

American Civil Liberties Union. Constitutional Liberty: "The Past Is Prologue". New York, 1957-58: American Civil Liberties Union.

MLA (9th ed.) Citation

American Civil Liberties Union. Constitutional Liberty: "The Past Is Prologue". American Civil Liberties Union.

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