APA (7th ed.) Citation

Ventura, D. (2017). 180 days of problem solving for second grade. Shell Education.

Chicago Style (17th ed.) Citation

Ventura, Donna. 180 Days of Problem Solving for Second Grade. Huntington Beach, California: Shell Education, 2017.

MLA (9th ed.) Citation

Ventura, Donna. 180 Days of Problem Solving for Second Grade. Shell Education, 2017.

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