Sagan, C. (1966). Planets. Time Inc.
Cita Chicago Style (17a ed.)Sagan, Carl. Planets. Time Inc, 1966.
Cita MLA (8a ed.)Sagan, Carl. Planets. Time Inc, 1966.
Precaución: Estas citas no son 100% exactas.
Cita APA (7a ed.)
Sagan, C. (1966). Planets. Time Inc.
Cita Chicago Style (17a ed.)Sagan, Carl. Planets. Time Inc, 1966.
Cita MLA (8a ed.)Sagan, Carl. Planets. Time Inc, 1966.