Cita APA (7a ed.)
Johansson, F. (2012). Contortatallens odlingsvärde i Götaland. SLU/School for Forest Management.
Cita Chicago Style (17a ed.)
Johansson, Fredrik. Contortatallens Odlingsvärde I Götaland. SLU/School for Forest Management, 2012.
Cita MLA (9a ed.)
Johansson, Fredrik. Contortatallens Odlingsvärde I Götaland. SLU/School for Forest Management, 2012.
Precaución: Estas citas no son 100% exactas.