Cita APA (7a ed.)

Estados Unidos. National Aeronautics and Space Administration. (1992). Hubble Space Telescope: Update: 18 months in orbit. National Aeronautics and Space Administration.

Cita Chicago Style (17a ed.)

Estados Unidos. National Aeronautics and Space Administration. Hubble Space Telescope: Update: 18 Months in Orbit. [Washington, D.C.?]: National Aeronautics and Space Administration, 1992.

Cita MLA (8a ed.)

Estados Unidos. National Aeronautics and Space Administration. Hubble Space Telescope: Update: 18 Months in Orbit. National Aeronautics and Space Administration, 1992.