APA (7th ed.) Citation

Fischel, W. J. (1961). Ibn Khaldun's use of historical sources.

Chicago Style (17th ed.) Citation

Fischel, Walter Joseph. Ibn Khaldun's Use of Historical Sources. 1961.

MLA (9th ed.) Citation

Fischel, Walter Joseph. Ibn Khaldun's Use of Historical Sources. 1961.

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