APA (7th ed.) Citation

Collins, M., & Costello, F. J. (1997). Michael Collins: In his own words. Gill & Macmillan.

Chicago Style (17th ed.) Citation

Collins, Michael, and Francis J. Costello. Michael Collins: In His Own Words. Dublin: Gill & Macmillan, 1997.

MLA (9th ed.) Citation

Collins, Michael, and Francis J. Costello. Michael Collins: In His Own Words. Gill & Macmillan, 1997.