APA (7th ed.) Citation
Cobbs Hoffman, E. (2013). American umpire: The new rules of world order, 1776 to the present. Harvard University Press.
Chicago Style (17th ed.) Citation
Cobbs Hoffman, Elizabeth. American Umpire: The New Rules of World Order, 1776 to the Present. Cambridge, Mass.: Harvard University Press, 2013.
MLA (9th ed.) Citation
Cobbs Hoffman, Elizabeth. American Umpire: The New Rules of World Order, 1776 to the Present. Harvard University Press, 2013.
Warning: These citations may not always be 100% accurate.