APA Style
Campbell, Doug. (N/A).
Professor grammar's rule book (_).
:
B.B.C.English.
Chicago Style
Campbell, Doug.
Professor grammar's rule book.
_
:
B.B.C.English,
N/A.
.
MLA Style
Campbell, Doug.
Professor grammar's rule book.
_
:
B.B.C.English,
N/A.
.
Turabian Style
Campbell, Doug.
Professor grammar's rule book.
_
:
B.B.C.English,
N/A.
.