Gitlin, M. (2018). Personal space travel. Cherry Lake Publishing.
Cita Chicago Style (17a ed.)Gitlin, Marty. Personal Space Travel. Ann Arbor, Michigan: Cherry Lake Publishing, 2018.
Cita MLA (8a ed.)Gitlin, Marty. Personal Space Travel. Cherry Lake Publishing, 2018.
Precaución: Estas citas no son 100% exactas.