APA Style
Petersen, Christine. (2001).
United States of America .
:
.
Chicago Style
Petersen, Christine.
United States of America.
:
,
2001.
TXB.
MLA Style
Petersen, Christine.
United States of America.
:
,
2001.
TXB.
Turabian Style
Petersen, Christine.
United States of America.
:
,
2001.
TXB.