APA (7th ed.) Citation

Stewart, W. (2010). You're the umpire: 139 scenarios to test your baseball knowledge. Skyhorse Pub..

Chicago Style (17th ed.) Citation

Stewart, Wayne. You're the Umpire: 139 Scenarios to Test Your Baseball Knowledge. New York: Skyhorse Pub., 2010.

MLA (8th ed.) Citation

Stewart, Wayne. You're the Umpire: 139 Scenarios to Test Your Baseball Knowledge. Skyhorse Pub., 2010.

Warning: These citations may not always be 100% accurate.