APA
(1988). Abu Shacker's "Chronography" ; A Treatise of the 13th Century on Chronological, Calendrical, and Astronomical Matters, written by a Christian Arab, preserved in Ethiopic. Wien: Verlag der Еsterreichischen Akademie der Wissenschafte.
Chicago
1988. Abu Shacker's "Chronography" ; A Treatise of the 13th Century on Chronological, Calendrical, and Astronomical Matters, written by a Christian Arab, preserved in Ethiopic. Wien: Verlag der Еsterreichischen Akademie der Wissenschafte.
Harvard
(1988). Abu Shacker's "Chronography" ; A Treatise of the 13th Century on Chronological, Calendrical, and Astronomical Matters, written by a Christian Arab, preserved in Ethiopic. Wien: Verlag der Еsterreichischen Akademie der Wissenschafte.
MLA
Abu Shacker's "Chronography" ; A Treatise of the 13th Century on Chronological, Calendrical, and Astronomical Matters, written by a Christian Arab, preserved in Ethiopic. Wien: Verlag der Еsterreichischen Akademie der Wissenschafte. 1988.