Cita APA (7a ed.)

Boëtius, P. (1949). Denmark. Imp. Dyva & Jeppesens.

Cita Chicago Style (17a ed.)

Boëtius, Povl. Denmark. Copenhague: Imp. Dyva & Jeppesens, 1949.

Cita MLA (9a ed.)

Boëtius, Povl. Denmark. Imp. Dyva & Jeppesens, 1949.