Cita APA (7a ed.)
Rex D. Hall, D. J. S. Russia's Cosmonauts: Inside the Yuri Gagarin Training Center. Praxis Publishing.
Cita estilo Chicago (17a ed.)
Rex D. Hall, David J. Shayler. Russia's Cosmonauts: Inside the Yuri Gagarin Training Center. Nueva York, EUA: Praxis Publishing.
Cita MLA (9a ed.)
Rex D. Hall, David J. Shayler. Russia's Cosmonauts: Inside the Yuri Gagarin Training Center. Praxis Publishing.
Precaución: Estas citas no son 100% exactas.