APA (7th ed.) Citation

Hopkins, E. (2017). The you I've never known. Margaret K. McElderry Books.

Chicago Style (17th ed.) Citation

Hopkins, Ellen. The You I've Never Known. New York: Margaret K. McElderry Books, 2017.

MLA (9th ed.) Citation

Hopkins, Ellen. The You I've Never Known. Margaret K. McElderry Books, 2017.