APA (7th ed.) Citation

(1987). An eleventh century manual of Arabo-Byzantine astronomy. Gieben.

Chicago Style (17th ed.) Citation

An Eleventh Century Manual of Arabo-Byzantine Astronomy. Amsterdam: Gieben, 1987.

MLA (9th ed.) Citation

An Eleventh Century Manual of Arabo-Byzantine Astronomy. Gieben, 1987.

Warning: These citations may not always be 100% accurate.