APA Style
Ley, Willy. (1971).
The Poles .
New York:
Time-Life International.
Chicago Style
Ley, Willy.
The Poles.
New York:
Time-Life International,
1971.
Text.
MLA Style
Ley, Willy.
The Poles.
New York:
Time-Life International,
1971.
Text.
Turabian Style
Ley, Willy.
The Poles.
New York:
Time-Life International,
1971.
Print.