APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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