APA
Ahti T., Boychuk M., . (2006). The Botanical journeys of A. K. Cajander and J. I. Lindroth to Karelia and Onega River in 1898 and 1899, with a list of their bryophyte and lichen collections. Helsinki: Botanical Museum, Finnish Museum of Natural History.
Chicago
Ahti Teuvo, Boychuk Margarita, . 2006. The Botanical journeys of A. K. Cajander and J. I. Lindroth to Karelia and Onega River in 1898 and 1899, with a list of their bryophyte and lichen collections. Helsinki: Botanical Museum, Finnish Museum of Natural History.
Harvard
Ahti T., Boychuk M., . (2006). The Botanical journeys of A. K. Cajander and J. I. Lindroth to Karelia and Onega River in 1898 and 1899, with a list of their bryophyte and lichen collections. Helsinki: Botanical Museum, Finnish Museum of Natural History.
MLA
Ahti Teuvo, Boychuk Margarita, . The Botanical journeys of A. K. Cajander and J. I. Lindroth to Karelia and Onega River in 1898 and 1899, with a list of their bryophyte and lichen collections. Helsinki: Botanical Museum, Finnish Museum of Natural History. 2006.