APA (7th ed.) Citation

Kahaner, E., & Henry, P. (1990). What's so great about fourth graden. Troll Associates.

Chicago Style (17th ed.) Citation

Kahaner, Ellen, and Paul Henry. What's so Great About Fourth Graden. Mahwah, NJ: Troll Associates, 1990.

MLA (9th ed.) Citation

Kahaner, Ellen, and Paul Henry. What's so Great About Fourth Graden. Troll Associates, 1990.

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