APA (7th ed.) Citation

Biro,Val. (1996). Gumdrop has a tummy-ache. Claremont books.

Chicago Style (17th ed.) Citation

Biro,Val. Gumdrop Has a Tummy-ache. London: Claremont books, 1996.

MLA (9th ed.) Citation

Biro,Val. Gumdrop Has a Tummy-ache. Claremont books, 1996.

Warning: These citations may not always be 100% accurate.