APA (7th ed.) Citation

Ó Maille, M. (1990). Keeping watch: A history of American time (Reprint.). Smithsonian Inst. Press.

Chicago Style (17th ed.) Citation

Ó Maille, Micheál. Keeping Watch: A History of American Time. Reprint. Washington [u.a.]: Smithsonian Inst. Press, 1990.

MLA (9th ed.) Citation

Ó Maille, Micheál. Keeping Watch: A History of American Time. Reprint. Smithsonian Inst. Press, 1990.