APA Style
Steel, Danielle. (1991).
Heartbeat .
New York:
Delacorte Press.
Chicago Style
Steel, Danielle.
Heartbeat.
New York:
Delacorte Press,
1991.
Text.
MLA Style
Steel, Danielle.
Heartbeat.
New York:
Delacorte Press,
1991.
Text.
Turabian Style
Steel, Danielle.
Heartbeat.
New York:
Delacorte Press,
1991.
Print.