Cita APA (7a ed.)

Hopkins, L. B., & Sarcone-Roach, J. (2009). Incredible inventions. Greenwillow Books.

Cita Chicago Style (17a ed.)

Hopkins, Lee Bennett, y Julia Sarcone-Roach. Incredible Inventions. [New York]: Greenwillow Books, 2009.

Cita MLA (8a ed.)

Hopkins, Lee Bennett, y Julia Sarcone-Roach. Incredible Inventions. Greenwillow Books, 2009.

Precaución: Estas citas no son 100% exactas.