APA (7th ed.) Citation

Waardenburg, J. J. (1999). The Medieval Period: 650-1500. Muslim perceptions of other religions, 18-69.

Chicago Style (17th ed.) Citation

Waardenburg, Jean Jacques. "The Medieval Period: 650-1500." Muslim Perceptions of Other Religions 1999: 18-69.

MLA (8th ed.) Citation

Waardenburg, Jean Jacques. "The Medieval Period: 650-1500." Muslim Perceptions of Other Religions, 1999, pp. 18-69.