APA Style
gebhardt, richard c.. (1989).
WRITING .
Toronto:
DC. Heath.
Chicago Style
gebhardt, richard c..
WRITING .
Toronto:
DC. Heath,
1989.
Text.
MLA Style
gebhardt, richard c..
WRITING .
Toronto:
DC. Heath,
1989.
Text.
Turabian Style
gebhardt, richard c..
WRITING .
Toronto:
DC. Heath,
1989.
Print.