APA Style
Grindley, Sally. (1985).
Knock Knock Who's There? .
United Kingdom:
Puffin Books.
Chicago Style
Grindley, Sally.
Knock Knock Who's There?.
United Kingdom:
Puffin Books,
1985.
.
MLA Style
Grindley, Sally.
Knock Knock Who's There?.
United Kingdom:
Puffin Books,
1985.
.
Turabian Style
Grindley, Sally.
Knock Knock Who's There?.
United Kingdom:
Puffin Books,
1985.
.