APA Style
Guillaume, Alfred. (1975).
Islam .
Middlesex, England:
Penguin Book.
Chicago Style
Guillaume, Alfred.
Islam.
Middlesex, England:
Penguin Book,
1975.
Text.
MLA Style
Guillaume, Alfred.
Islam.
Middlesex, England:
Penguin Book,
1975.
Text.
Turabian Style
Guillaume, Alfred.
Islam.
Middlesex, England:
Penguin Book,
1975.
Print.