Erkens, R. H., Oosterhof, J., Westra, L. Y., & Maas, P. J. (2017). Revisions of Ruizodendron and Pseudephedranthus (Annonaceae) including a new species and an overview of most up-to-date revisions of Neotropical Annonaceae genera. PhytoKeys.
استشهاد بنمط شيكاغوErkens, Roy H.J., Jessica Oosterhof, Lubbert Y.T Westra, و Paul J.M Maas. "Revisions of Ruizodendron and Pseudephedranthus (Annonaceae) Including a New Species and an Overview of Most Up-to-date Revisions of Neotropical Annonaceae Genera." PhytoKeys 2017.
MLA استشهادErkens, Roy H.J., Jessica Oosterhof, Lubbert Y.T Westra, و Paul J.M Maas. "Revisions of Ruizodendron and Pseudephedranthus (Annonaceae) Including a New Species and an Overview of Most Up-to-date Revisions of Neotropical Annonaceae Genera." PhytoKeys 2017.