APA Style
Campbell, R.. (1994).
At Work (a first word and picture book) .
London:
Campbell Books Ltd..
Chicago Style
Campbell, R..
At Work (a first word and picture book).
London:
Campbell Books Ltd.,
1994.
Board Books.
MLA Style
Campbell, R..
At Work (a first word and picture book).
London:
Campbell Books Ltd.,
1994.
Board Books.
Turabian Style
Campbell, R..
At Work (a first word and picture book).
London:
Campbell Books Ltd.,
1994.
Board Books.