APA (7th ed.) Citation

Kelly, C. (2009). Once in a lifetime: Something happens that change you forever. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Kelly, Cathy. Once in a Lifetime: Something Happens That Change You Forever. London: HarperCollins Publishers, 2009.

MLA (9th ed.) Citation

Kelly, Cathy. Once in a Lifetime: Something Happens That Change You Forever. HarperCollins Publishers, 2009.

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