APA (7th ed.) Citation
Karlsen, A. (1938). Denitrification and hydrogen ion concentration.
Chicago Style (17th ed.) Citation
Karlsen, Astrid. Denitrification and Hydrogen Ion Concentration. Bergen, 1938.
MLA (9th ed.) Citation
Karlsen, Astrid. Denitrification and Hydrogen Ion Concentration. 1938.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.