APA-referens (7:e uppl.)

National Aeronautics and Space Administration. (1963). Mercury project summary including results of the fourth manned orbital flight. NASA.

Chicago-referens (17:e uppl.)

National Aeronautics and Space Administration. Mercury Project Summary Including Results of the Fourth Manned Orbital Flight. Washington, D.C: NASA, 1963.

MLA-referens (9:e uppl.)

National Aeronautics and Space Administration. Mercury Project Summary Including Results of the Fourth Manned Orbital Flight. NASA, 1963.