APA

University of Umea - Department of Ecological Botany, . (1981). Wahlenbergia. : University of Umea - Department of Ecological Botany.

Chicago

University of Umea - Department of Ecological Botany, . 1981. Wahlenbergia. : University of Umea - Department of Ecological Botany.

Harvard

University of Umea - Department of Ecological Botany, . (1981). Wahlenbergia. : University of Umea - Department of Ecological Botany.

MLA

University of Umea - Department of Ecological Botany, . Wahlenbergia. : University of Umea - Department of Ecological Botany. 1981.