APA

Humphreys R. S., .Islamic History:A Framwork Forinquiry. Cairo: The American University Press.

Chicago

Humphreys R Stephen, .Islamic History:A Framwork Forinquiry. Cairo: The American University Press.

Harvard

Humphreys R. S., .Islamic History:A Framwork Forinquiry. Cairo: The American University Press.

MLA

Humphreys R Stephen, .Cairo: The American University Press. .