APA Zitierstil

Olson, S. (2004). Count down: Six kids vie for glory at the world's toughest math competition. Boston: Houghton Mifflin Company.

Chicago Zitierstil

Olson, Steve. Count Down: Six Kids Vie for Glory At the World's Toughest Math Competition. Boston: Houghton Mifflin Company, 2004.

MLA Zitierstil

Olson, Steve. Count Down: Six Kids Vie for Glory At the World's Toughest Math Competition. Boston: Houghton Mifflin Company, 2004.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.