Cita APA (7a ed.)
ebrary, Inc, Enger, S. K., & Yager, R. E. (2006). Exemplary science in grades PreK-4: Standards-based success stories. NSTApress.
Cita Chicago Style (17a ed.)
ebrary, Inc, Sandra K. Enger, y Robert Eugene Yager. Exemplary Science in Grades PreK-4: Standards-based Success Stories. Arlington, Va.: NSTApress, 2006.
Cita MLA (9a ed.)
ebrary, Inc, et al. Exemplary Science in Grades PreK-4: Standards-based Success Stories. NSTApress, 2006.
Precaución: Estas citas no son 100% exactas.