APA

Skottsberg C., . (1942). Vascular plants from the hawaiian islands 3. Pteridophytes collected during the hawaiian bog survey 1938 / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag.

Chicago

Skottsberg Carl, . 1942. Vascular plants from the hawaiian islands 3. Pteridophytes collected during the hawaiian bog survey 1938 / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag.

Harvard

Skottsberg C., . (1942). Vascular plants from the hawaiian islands 3. Pteridophytes collected during the hawaiian bog survey 1938 / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag.

MLA

Skottsberg Carl, . Vascular plants from the hawaiian islands 3. Pteridophytes collected during the hawaiian bog survey 1938 / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag. 1942.