Cita APA (7a ed.)

Immink, P. (1958). At the Roots of Medieval Society: I. The Western Empire. H. Aschehoug.

Cita Chicago Style (17a ed.)

Immink, P.W.A. At the Roots of Medieval Society: I. The Western Empire. Oslo: H. Aschehoug, 1958.

Cita MLA (9a ed.)

Immink, P.W.A. At the Roots of Medieval Society: I. The Western Empire. H. Aschehoug, 1958.