Cita APA (7a ed.)
H. Paul Shuch. Searching for Extraterrestrial Intelligence: SETI Past, Present, and Future. Springer.
Cita estilo Chicago (17a ed.)
H. Paul Shuch. Searching for Extraterrestrial Intelligence: SETI Past, Present, and Future. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
H. Paul Shuch. Searching for Extraterrestrial Intelligence: SETI Past, Present, and Future. Springer.
Precaución: Estas citas no son 100% exactas.