Keller, R. (2023). A Field Guide to Tropical Plant Families (1st ed. 2023.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-031-05942-1

Keller, Roland. A Field Guide to Tropical Plant Families. 1st ed. 2023. Cham: Springer International Publishing : Imprint: Springer, 2023. https://doi.org/10.1007/978-3-031-05942-1.

Keller, Roland. A Field Guide to Tropical Plant Families. 1st ed. 2023. Springer International Publishing : Imprint: Springer, 2023. https://doi.org/10.1007/978-3-031-05942-1.