APA (7th ed.) Citation

Simms, G. O., Rooney, D., & O'Brien, E. (2017). Exploring the Book of Kells (Reprinted.). O'Brien Press.

Chicago Style (17th ed.) Citation

Simms, George Otto, David Rooney, and Eoin O'Brien. Exploring the Book of Kells. Reprinted. Dublin: O'Brien Press, 2017.

MLA (9th ed.) Citation

Simms, George Otto, et al. Exploring the Book of Kells. Reprinted. O'Brien Press, 2017.