Citazione Stile APA (7a Edizione)
Ussing, H. H. (1938). Treaarsexpeditionen til Christian den x's Land 1931-34: The Biology of some important plankton animals in the fjords of East Greenland. Reitzel.
Citazione stile Chigago Style (17a edizione)
Ussing, Hans H. Treaarsexpeditionen Til Christian Den X's Land 1931-34: The Biology of Some Important Plankton Animals in the Fjords of East Greenland. København: Reitzel, 1938.
Citatione MLA (9a ed.)
Ussing, Hans H. Treaarsexpeditionen Til Christian Den X's Land 1931-34: The Biology of Some Important Plankton Animals in the Fjords of East Greenland. Reitzel, 1938.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.