Schweingruber. (2013). Atlas of Stem Anatomy in Herbs, Shrubs and Trees (1.). Springer Berlin Heidelberg.
Cita Chicago (17th ed.)Schweingruber. Atlas of Stem Anatomy in Herbs, Shrubs and Trees. 1. Springer Berlin Heidelberg, 2013.
Cita MLA (8th ed.)Schweingruber. Atlas of Stem Anatomy in Herbs, Shrubs and Trees. 1. Springer Berlin Heidelberg, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.