MLA

Ephraem, Syrus, Saint, 303-373. Hagiographic Texts. [between 1450 and 1499].. https://collections.library.yale.edu/catalog/10621967.

APA, 6th edition

Ephraem, Syrus, Saint, 303-373. ([between 1450 and 1499].)[Hagiographic Texts]. https://collections.library.yale.edu/catalog/10621967.