Cita APA (7th ed.)
Revell, D. (1990). New Dark Ages. Wesleyan University Press ; University Press of New England.
Cita Chicago (17th ed.)
Revell, Donald. New Dark Ages. [Middletown, Conn.] : Hanover, N.H.: Wesleyan University Press ; University Press of New England, 1990.
Cita MLA (9th ed.)
Revell, Donald. New Dark Ages. Wesleyan University Press ; University Press of New England, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.