Cite

[Engraved plate depicting Helonias Asphodeloides. Grass-leaved Helonias]

MLA

[Engraved Plate Depicting Helonias Asphodeloides. Grass-Leaved Helonias]. 1804. https://collections.library.yale.edu/catalog/2020700.

APA, 6th edition

[Engraved plate depicting Helonias Asphodeloides. Grass-leaved Helonias]. (1804). [Engravings, Illustrations, Prints (Visual works)]. https://collections.library.yale.edu/catalog/2020700.