APA引文

(1970). Bloody Sunday memorial unveiling ceremony. Northern Ireland Civil Rights Association.

Chicago Style (17th ed.) Citation

Bloody Sunday Memorial Unveiling Ceremony. [Belfast]: Northern Ireland Civil Rights Association, 1970.

MLA引文

Bloody Sunday Memorial Unveiling Ceremony. Northern Ireland Civil Rights Association, 1970.

警告：这些引文格式不一定是100％准确.