Cita APA (7a ed.)
Nordberg, S. (1950). Researches on the bird fauna of the marine zone in the Aland archipelago.
Cita Chicago Style (17a ed.)
Nordberg, Sven. Researches on the Bird Fauna of the Marine Zone in the Aland Archipelago. Helsingforsiae, 1950.
Cita MLA (9a ed.)
Nordberg, Sven. Researches on the Bird Fauna of the Marine Zone in the Aland Archipelago. 1950.
Precaución: Estas citas no son 100% exactas.