Cita APA (7a ed.)

Sømme, A. C. Z. (1961). The geography of Norden: Denmark, Finland, Iceland, Norway, Sweden. Heinemann.

Cita Chicago Style (17a ed.)

Sømme, Axel Christian Zetlitz. The Geography of Norden: Denmark, Finland, Iceland, Norway, Sweden. London: Heinemann, 1961.

Cita MLA (9a ed.)

Sømme, Axel Christian Zetlitz. The Geography of Norden: Denmark, Finland, Iceland, Norway, Sweden. Heinemann, 1961.