Cita APA (7a ed.)
Bengtsson, S. (2007). Frost hardiness of some New Zealand shrubs.
Cita Chicago Style (17a ed.)
Bengtsson, Sture. Frost Hardiness of Some New Zealand Shrubs. 2007.
Cita MLA (9a ed.)
Bengtsson, Sture. Frost Hardiness of Some New Zealand Shrubs. 2007.
Precaución: Estas citas no son 100% exactas.