APA Style
Gier, Kerstin. (2013).
Sapphire Blue .
USA:
Macmillan.
Chicago Style
Gier, Kerstin.
Sapphire Blue.
USA:
Macmillan,
2013.
Book.
MLA Style
Gier, Kerstin.
Sapphire Blue.
USA:
Macmillan,
2013.
Book.
Turabian Style
Gier, Kerstin.
Sapphire Blue.
USA:
Macmillan,
2013.
Book.