Cita APA (7a ed.)

Sagan, C. (2019). Contact (First Gallery Books trade paperback edition.). Gallery Books.

Cita Chicago Style (17a ed.)

Sagan, Carl. Contact. First Gallery Books trade paperback edition. New York: Gallery Books, 2019.

Cita MLA (8a ed.)

Sagan, Carl. Contact. First Gallery Books trade paperback edition. Gallery Books, 2019.

Precaución: Estas citas no son 100% exactas.