APA (7th ed.) Citation

Ellis, J., & Peacock, P. H. (2010). Pythagoras and the ratios: A math adventure. Charlesbridge.

Chicago Style (17th ed.) Citation

Ellis, Julie, and Phyllis Hornung Peacock. Pythagoras and the Ratios: A Math Adventure. Watertown, Mass.: Charlesbridge, 2010.

MLA (8th ed.) Citation

Ellis, Julie, and Phyllis Hornung Peacock. Pythagoras and the Ratios: A Math Adventure. Charlesbridge, 2010.

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