APA (7th ed.) Citation

Nordhagen, R. Botaniske notiser. Dybwad.

Chicago Style (17th ed.) Citation

Nordhagen, Rolf. Botaniske Notiser. Kristiania: Dybwad.

MLA (9th ed.) Citation

Nordhagen, Rolf. Botaniske Notiser. Dybwad.

Warning: These citations may not always be 100% accurate.