Citazione Stile APA (7a Edizione)

Siddiqi, A. A. (2000). Challenge to Apollo: The Soviet Union and the space race, 1945-1974. National Aeronautics and Space Administration, NASA History Div., Office of Policy and Plans.

Citazione stile Chigago Style (17a edizione)

Siddiqi, Asif A. Challenge to Apollo: The Soviet Union and the Space Race, 1945-1974. Washington, D.C.: National Aeronautics and Space Administration, NASA History Div., Office of Policy and Plans, 2000.

Citatione MLA (8a ed.)

Siddiqi, Asif A. Challenge to Apollo: The Soviet Union and the Space Race, 1945-1974. National Aeronautics and Space Administration, NASA History Div., Office of Policy and Plans, 2000.