APA Style

al., K, B, E. (1987). Blumea a journal of plant-taxonomy and plant-geography. Volume 32 No. 2, 1987 (Volume 32 No. 2). : Rijksherbarium, Leiden.

MLA Style

al., K., Bremer, Et. "Blumea a journal of plant-taxonomy and plant-geography. Volume 32 No. 2, 1987". Volume 32 No. 2 : Rijksherbarium, Leiden, 1987. Digital.