APA (7th ed.) Citation
Sørensen, T. (1941). Temperature Relations and phenology of the Northeast Greenland flowering plants. Reitzel.
Chicago Style (17th ed.) Citation
Sørensen, Thorvald. Temperature Relations and Phenology of the Northeast Greenland Flowering Plants. København: Reitzel, 1941.
MLA (9th ed.) Citation
Sørensen, Thorvald. Temperature Relations and Phenology of the Northeast Greenland Flowering Plants. Reitzel, 1941.
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