Παραπομπή σε μορφή APA (7η εκδ.)

Naugle, J. E. (1991). First among equals: The selection of NASA space science experiments. National Aeronautics and Space Administration (NASA).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Naugle, John E. First Among Equals: The Selection of NASA Space Science Experiments. Washington, DC: National Aeronautics and Space Administration (NASA), 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Naugle, John E. First Among Equals: The Selection of NASA Space Science Experiments. National Aeronautics and Space Administration (NASA), 1991.