Sampson, S. D. (2017). You can be a paleontologist! National Geographic.
Cita Chicago Style (17a ed.)Sampson, Scott D. You Can Be a Paleontologist! Washington, DC: National Geographic, 2017.
Cita MLA (8a ed.)Sampson, Scott D. You Can Be a Paleontologist! National Geographic, 2017.
Precaución: Estas citas no son 100% exactas.