APA Style
Snowden, Edward. ().
Permanent Record .
:
Metropolitan Books.
Chicago Style
Snowden, Edward.
Permanent Record.
:
Metropolitan Books,
.
Text.
MLA Style
Snowden, Edward.
Permanent Record.
:
Metropolitan Books,
.
Text.
Turabian Style
Snowden, Edward.
Permanent Record.
:
Metropolitan Books,
.
Print.