Cita APA (7a ed.)
Seife, C. (Fall2007 Special Issue). SIGNS OF LIFE. Smithsonian, 38, 64-67.
Cita Chicago Style (17a ed.)
Seife, Charles. "SIGNS OF LIFE." Smithsonian 38 (Fall2007 Special Issue): 64-67.
Cita MLA (9a ed.)
Seife, Charles. "SIGNS OF LIFE." Smithsonian, vol. 38, Fall2007 Special Issue, pp. 64-67.
Precaución: Estas citas no son 100% exactas.