Schrag, P. (1974). Test of loyalty: Daniel Ellsberg and the rituals of secret government / Peter Schrag. Simon and Schuster.
Citazione stile Chigago Style (17a edizione)Schrag, Peter. Test of Loyalty: Daniel Ellsberg and the Rituals of Secret Government / Peter Schrag. New York: Simon and Schuster, 1974.
Citatione MLA (8a ed.)Schrag, Peter. Test of Loyalty: Daniel Ellsberg and the Rituals of Secret Government / Peter Schrag. Simon and Schuster, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.