APA (7th ed.) Citation

Williams, J. A. (1973). Der Islam. Die grossen Religionen der Welt.

Chicago Style (17th ed.) Citation

Williams, John Alden. "Der Islam." Die Grossen Religionen Der Welt 1973.

MLA (8th ed.) Citation

Williams, John Alden. "Der Islam." Die Grossen Religionen Der Welt, 1973.

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