Cita APA (7th ed.)

Clark, C. (1992). What's so funny about ninth graden. Troll Associates.

Cita Chicago (17th ed.)

Clark, Catherine. What's so Funny About Ninth Graden. [Mahwah, N.J.]: Troll Associates, 1992.

Cita MLA (9th ed.)

Clark, Catherine. What's so Funny About Ninth Graden. Troll Associates, 1992.