APA (7th ed.) Citation

Von Grunebaum, G. E. (1970). The Sources of Islamic Civilization. Der Islam, 46(1), 1-54. doi:10.1515/islm.1970.46.1.1

Chicago Style (17th ed.) Citation

Von Grunebaum, Gustave E. "The Sources of Islamic Civilization." Der Islam 46, no. 1 (1970): 1-54, https://doi.org/10.1515/islm.1970.46.1.1.

MLA (8th ed.) Citation

Von Grunebaum, Gustave E. "The Sources of Islamic Civilization." Der Islam, vol. 46, no. 1, 1970, pp. 1-54, https://doi.org/10.1515/islm.1970.46.1.1.