APA (7th ed.) Citation

Hoffman, E. C. (2013). American umpire: The new rules of world order, 1776 to the present. Harvard University Press.

Chicago Style (17th ed.) Citation

Hoffman, Elizabeth Cobbs. American Umpire: The New Rules of World Order, 1776 to the Present. Cambridge, Mass: Harvard University Press, 2013.

MLA (9th ed.) Citation

Hoffman, Elizabeth Cobbs. American Umpire: The New Rules of World Order, 1776 to the Present. Harvard University Press, 2013.