Gaya APA

Butar-Butar, A, J, R. (2016). Khazanah Astronomi Islam Abad Pertengahan (cet. 1). Purwokerto: Um Purwokerto Press.

Gaya MLA

Butar-Butar, Arwin, Juli, Rakhmadi. "Khazanah Astronomi Islam Abad Pertengahan". cet. 1 Purwokerto: Um Purwokerto Press, 2016. Text.