Cita APA (7a ed.)

Dunham, S. (1839). History of Danmark, Sweden and Norway. Longman.

Cita Chicago Style (17a ed.)

Dunham, S.A. History of Danmark, Sweden and Norway. London: Longman, 1839.

Cita MLA (9a ed.)

Dunham, S.A. History of Danmark, Sweden and Norway. Longman, 1839.