Fischel, W. J. (1967). Ibn Khaldun in Egypt: His public functions and his historical research. University of California Press.
Citação do estilo Chicago (17ª ed.)Fischel, Walter Joseph. Ibn Khaldun in Egypt: His Public Functions and His Historical Research. Berkeley: University of California Press, 1967.
Citação MLA (9ª ed.)Fischel, Walter Joseph. Ibn Khaldun in Egypt: His Public Functions and His Historical Research. University of California Press, 1967.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.