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.

Warning: These citations may not always be 100% accurate.