APA Style
SPULER, B. (1960).
The Muslim World: a historical survey, Part I: the age of the Caliphs (1).
Leiden:
E J Brill.
MLA Style
SPULER, BERTOLD.
"The Muslim World: a historical survey, Part I: the age of the Caliphs".
1
Leiden:
E J Brill,
1960.
Text.