Παραπομπή σε μορφή APA (7η εκδ.)

National Academy of Sciences. (1969). The Invisible University. {Report, 1969}: Postdoctoral education in the United States. National Academy of Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Academy of Sciences. The Invisible University. {Report, 1969}: Postdoctoral Education in the United States. Washington: National Academy of Sciences, 1969.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Academy of Sciences. The Invisible University. {Report, 1969}: Postdoctoral Education in the United States. National Academy of Sciences, 1969.