Viterbo, G., & Meyer, M. W. (2003). Letters from George Viterbo: A man for all seasons, 1969-1993 (2nd ed.). Paige Press.
Cita Chicago (17th ed.)Viterbo, George, i Milton Walter Meyer. Letters from George Viterbo: A Man for All Seasons, 1969-1993. 2nd ed. Claremont, Calif: Paige Press, 2003.
Cita MLA (9th ed.)Viterbo, George, i Milton Walter Meyer. Letters from George Viterbo: A Man for All Seasons, 1969-1993. 2nd ed. Paige Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.