APA (7th ed.) Citation

Sørensen, T. J., & Gleerup, E. (1941). Temperature relations and phenology of the northeast Greenland flowering plants. C.A. Reitzel.

Chicago Style (17th ed.) Citation

Sørensen, Thorvald Julius, and E. Gleerup. Temperature Relations and Phenology of the Northeast Greenland Flowering Plants. København: C.A. Reitzel, 1941.

MLA (8th ed.) Citation

Sørensen, Thorvald Julius, and E. Gleerup. Temperature Relations and Phenology of the Northeast Greenland Flowering Plants. C.A. Reitzel, 1941.