Burleigh, R., & Colón, R. (2013). Look Up!:: Henrietta Leavitt, pioneering woman astronomer. Simon & Schuster Books for Young Readers.
Cita Chicago Style (17a ed.)Burleigh, Robert, y Raúl Colón. Look Up!:: Henrietta Leavitt, Pioneering Woman Astronomer. New York: Simon & Schuster Books for Young Readers, 2013.
Cita MLA (8a ed.)Burleigh, Robert, y Raúl Colón. Look Up!:: Henrietta Leavitt, Pioneering Woman Astronomer. Simon & Schuster Books for Young Readers, 2013.
Precaución: Estas citas no son 100% exactas.