APA (7th ed.) Citation

Hadley, M., & Hadley, H. (1991). Bright ideas / by Helen Hadley. Scholastic.

Chicago Style (17th ed.) Citation

Hadley, Mary, and Helen Hadley. Bright Ideas / by Helen Hadley. Leamington Spa: Scholastic, 1991.

MLA (9th ed.) Citation

Hadley, Mary, and Helen Hadley. Bright Ideas / by Helen Hadley. Scholastic, 1991.

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