APA Style

Gray, Peter. (2015). Free to learn : why unleashing the instinct to play will make our children happier, more self-reliant, and better students for life . New York: Basic Books.

Chicago Style

Gray, Peter. Free to learn : why unleashing the instinct to play will make our children happier, more self-reliant, and better students for life. New York: Basic Books, 2015. print.

MLA Style

Gray, Peter. Free to learn : why unleashing the instinct to play will make our children happier, more self-reliant, and better students for life. New York: Basic Books, 2015. print.

Turabian Style

Gray, Peter. Free to learn : why unleashing the instinct to play will make our children happier, more self-reliant, and better students for life. New York: Basic Books, 2015. print.