Hopkins, G. M., Feeney, J. J., & Cotter, J. F. (1989). America. America Press.
Chicago Style aipamenaHopkins, Gerard Manley, Joseph J. Feeney, and James Finn Cotter. America. [New York, N.Y.: America Press, 1989.
MLA aipamenaHopkins, Gerard Manley, et al. America. America Press, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.