Cita APA (7a ed.)

Neuschwander, C., & Geehan, W. (1997). Sir Cumference and the first round table: A math adventure. Charlesbridge.

Cita Chicago Style (17a ed.)

Neuschwander, Cindy, y Wayne Geehan. Sir Cumference and the First Round Table: A Math Adventure. Watertown, MA: Charlesbridge, 1997.

Cita MLA (8a ed.)

Neuschwander, Cindy, y Wayne Geehan. Sir Cumference and the First Round Table: A Math Adventure. Charlesbridge, 1997.

Precaución: Estas citas no son 100% exactas.