Cita APA (7th ed.)
Verdoorn, F. (1939). A new Series of plant science books. Chronica Botanica Comp.
Cita Chicago (17th ed.)
Verdoorn, Frans. A New Series of Plant Science Books. Leiden: Chronica Botanica Comp, 1939.
Cita MLA (9th ed.)
Verdoorn, Frans. A New Series of Plant Science Books. Chronica Botanica Comp, 1939.
Atenció: Aquestes cites poden no estar 100% correctes.