APA Style

COOLIDGE, Susan. (1994). What Katy did next . London: Puffins Book.

Chicago Style

COOLIDGE, Susan. What Katy did next. London: Puffins Book, 1994. BOOKS.

MLA Style

COOLIDGE, Susan. What Katy did next. London: Puffins Book, 1994. BOOKS.

Turabian Style

COOLIDGE, Susan. What Katy did next. London: Puffins Book, 1994. BOOKS.