APA (7th ed.) Citation

Sanford, D., & Evans, G. (1987). I know the world's worst secret: A child's book about living with an alcoholic parent. Multnomah Press.

Chicago Style (17th ed.) Citation

Sanford, Doris, and Graci Evans. I Know the World's Worst Secret: A Child's Book About Living with an Alcoholic Parent. Portland, Or.: Multnomah Press, 1987.

MLA (9th ed.) Citation

Sanford, Doris, and Graci Evans. I Know the World's Worst Secret: A Child's Book About Living with an Alcoholic Parent. Multnomah Press, 1987.