Free speech in 1924 :
the work of the American Civil Liberties Union, January to December 1924.

APA Citation

American Civil Liberties Union. (1925). Free speech in 1924: the work of the American Civil Liberties Union, January to December 1924. New York City: American Civil Liberties Union.

MLA Citation

American Civil Liberties Union. Free Speech In 1924: the Work of the American Civil Liberties Union, January to December 1924. New York City: American Civil Liberties Union, 1925.

Warning: These citations may not always be complete (especially for serials).