APA Style

Horowitz, Anthony. (2015). Groosham Grange . UK: Walker Books.

Chicago Style

Horowitz, Anthony. Groosham Grange. UK: Walker Books, 2015. Printed Book.

MLA Style

Horowitz, Anthony. Groosham Grange. UK: Walker Books, 2015. Printed Book.

Turabian Style

Horowitz, Anthony. Groosham Grange. UK: Walker Books, 2015. Printed Book.