crises of authority, crises of islam

i need a quick summary of the main points , simple language used as need to present it , but formal at the same time. need detailed, relevant points.

http://www.jstor.org/stable/pdf/27756072.pdf?seq=1#page_scan_tab_contents – here is the link for source that must be examined and summarised.

MUST USE PAGE NUMBERS FOR EVERYTHING NOTED SO I CAN GO BACK A LOOK THANKS – CHICAGO REFERENCING NEEEDED