Citace podle APA (7th ed.)

Fries, S. D. (1992). NASA engineers and the age of Apollo. National Aeronautics and Space Administration.

Citace podle Chicago (17th ed.)

Fries, Sylvia Doughty. NASA Engineers and the Age of Apollo. Washington, D.C: National Aeronautics and Space Administration, 1992.

Citace podle MLA (9th ed.)

Fries, Sylvia Doughty. NASA Engineers and the Age of Apollo. National Aeronautics and Space Administration, 1992.

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