Cita APA (7a ed.)
Petersson, A. (2012). Stem injection of different nitrogen forms into young Norway spruce.
Cita Chicago Style (17a ed.)
Petersson, Anna. Stem Injection of Different Nitrogen Forms into Young Norway Spruce. 2012.
Cita MLA (9a ed.)
Petersson, Anna. Stem Injection of Different Nitrogen Forms into Young Norway Spruce. 2012.
Precaución: Estas citas no son 100% exactas.