APA (7th ed.) Citation

Devold, J., & Scholander, P. F. (1933). Flowering plants and ferns of Southeast Greenland. Dybwad.

Chicago Style (17th ed.) Citation

Devold, Joakim, and P. F. Scholander. Flowering Plants and Ferns of Southeast Greenland. Oslo: Dybwad, 1933.

MLA (9th ed.) Citation

Devold, Joakim, and P. F. Scholander. Flowering Plants and Ferns of Southeast Greenland. Dybwad, 1933.