Citazione Stile APA (7a Edizione)
Hansen, H. J. (1970). Danian Foraminifera from Nugssuaq, West Greenland: With special reference to species occurring in Denmark. Reitzel.
Citazione stile Chigago Style (17a edizione)
Hansen, Hans Joergen. Danian Foraminifera from Nugssuaq, West Greenland: With Special Reference to Species Occurring in Denmark. København: Reitzel, 1970.
Citatione MLA (9a ed.)
Hansen, Hans Joergen. Danian Foraminifera from Nugssuaq, West Greenland: With Special Reference to Species Occurring in Denmark. Reitzel, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.