KJÄLLGREN, L., & KULLMAN, L. (2002). Geographical patterns of tree-limits of Norway spruce and Scots pine in the southern Swedish Scandes. Norwegian Journal of Geography, 56(4), 237. https://doi.org/10.1080/00291950210002441
Chicago Style (17th ed.) CitationKJÄLLGREN, LENA, and LEIF KULLMAN. "Geographical Patterns of Tree-limits of Norway Spruce and Scots Pine in the Southern Swedish Scandes." Norwegian Journal of Geography 56, no. 4 (2002): 237. https://doi.org/10.1080/00291950210002441.
MLA (9th ed.) CitationKJÄLLGREN, LENA, and LEIF KULLMAN. "Geographical Patterns of Tree-limits of Norway Spruce and Scots Pine in the Southern Swedish Scandes." Norwegian Journal of Geography, vol. 56, no. 4, 2002, p. 237, https://doi.org/10.1080/00291950210002441.