APA Style

Taylor, Helen. (1999). Rainbow is a circle: and other facts about color . Brookfield: Copper Beech Books.

Chicago Style

Taylor, Helen. Rainbow is a circle: and other facts about color. Brookfield: Copper Beech Books, 1999. Text.

MLA Style

Taylor, Helen. Rainbow is a circle: and other facts about color. Brookfield: Copper Beech Books, 1999. Text.

Turabian Style

Taylor, Helen. Rainbow is a circle: and other facts about color. Brookfield: Copper Beech Books, 1999. Print.