APA (7th ed.) Citation

Lenchner, G. (2005). Creative problem solving in school mathematics (2nd ed., rev. and expanded.). MOEMS.

Chicago Style (17th ed.) Citation

Lenchner, George. Creative Problem Solving in School Mathematics. 2nd ed., rev. and expanded. Bellmore, New York: MOEMS, 2005.

MLA (9th ed.) Citation

Lenchner, George. Creative Problem Solving in School Mathematics. 2nd ed., rev. and expanded. MOEMS, 2005.