MLA

Theodosius, active 1st century B.C. Kitāb al-masākin / [Theodosius].. [17--?]. https://collections.library.yale.edu/catalog/16051900.

APA, 6th edition

Theodosius, active 1st century B.C. ([17--?])[Kitāb al-masākin / [Theodosius].]. https://collections.library.yale.edu/catalog/16051900.