APA (7th ed.) Citation

Kopp, J. (1992). Frog math: Predict, ponder, play. Great Explorations in Math and Science (GEMS).

Chicago Style (17th ed.) Citation

Kopp, Jaine. Frog Math: Predict, Ponder, Play. Berkeley, CA: Great Explorations in Math and Science (GEMS), 1992.

MLA (9th ed.) Citation

Kopp, Jaine. Frog Math: Predict, Ponder, Play. Great Explorations in Math and Science (GEMS), 1992.

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