Cita APA (7a ed.)
From, F. (2010). Increased growth in Norway spruce (Picea abies (L.) Karst.) through small annual additions of nitrogen (N) fertilizer. SLU/Dept. of Forest Genetics and Plant Physiology.
Cita Chicago Style (17a ed.)
From, Fredrik. Increased Growth in Norway Spruce (Picea Abies (L.) Karst.) Through Small Annual Additions of Nitrogen (N) Fertilizer. SLU/Dept. of Forest Genetics and Plant Physiology, 2010.
Cita MLA (9a ed.)
From, Fredrik. Increased Growth in Norway Spruce (Picea Abies (L.) Karst.) Through Small Annual Additions of Nitrogen (N) Fertilizer. SLU/Dept. of Forest Genetics and Plant Physiology, 2010.
Precaución: Estas citas no son 100% exactas.