Cita APA (7a ed.)

Koval', A. D., Desinov, L., Chulaki, S., & Urmayev, N. (1987). Space flights serve life on earth. Progess Publishers.

Cita Chicago Style (17a ed.)

Koval', A. D., Lev Desinov, Sergei Chulaki, y Nikolai Urmayev. Space Flights Serve Life on Earth. Moscow: Progess Publishers, 1987.

Cita MLA (9a ed.)

Koval', A. D., et al. Space Flights Serve Life on Earth. Progess Publishers, 1987.