APA (7th ed.) Zitazioa

Sunnemark, F. (2004). Ring out freedom!: The voice of Martin Luther King, Jr. and the making of the civil rights movement. Indiana University Press.

Chicago Style (17th ed.) Zitazioa

Sunnemark, Fredrik. Ring Out Freedom!: The Voice of Martin Luther King, Jr. and the Making of the Civil Rights Movement. Bloomington: Indiana University Press, 2004.

MLA (9th ed.) Zitazioa

Sunnemark, Fredrik. Ring Out Freedom!: The Voice of Martin Luther King, Jr. and the Making of the Civil Rights Movement. Indiana University Press, 2004.