APA (7th ed.) Citation

Evers, L. (2011). I used to know that: Stuff you forgot from school. Reader's Digest Association.

Chicago Style (17th ed.) Citation

Evers, Liz. I Used to Know That: Stuff You Forgot from School. White Plains, NY: Reader's Digest Association, 2011.

MLA (9th ed.) Citation

Evers, Liz. I Used to Know That: Stuff You Forgot from School. Reader's Digest Association, 2011.