APA (7th ed.) Citation

Association, N. I. C. R. (1972). Massacre at Derry. S.I..

Chicago Style (17th ed.) Citation

Association, Northern Ireland Civil Rights. Massacre at Derry. S.I., 1972.

MLA (8th ed.) Citation

Association, Northern Ireland Civil Rights. Massacre at Derry. S.I., 1972.

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