APA Style
Guillaume, Alfred. (1956).
Islam .
Middlesex:
Penguin Books.
Chicago Style
Guillaume, Alfred.
Islam.
Middlesex:
Penguin Books,
1956.
Text.
MLA Style
Guillaume, Alfred.
Islam.
Middlesex:
Penguin Books,
1956.
Text.
Turabian Style
Guillaume, Alfred.
Islam.
Middlesex:
Penguin Books,
1956.
Print.