APA (7th ed.) Citation

Biro,Val. (1996). Gumdrop post a letter. Claremont books.

Chicago Style (17th ed.) Citation

Biro,Val. Gumdrop Post a Letter. London: Claremont books, 1996.

MLA (9th ed.) Citation

Biro,Val. Gumdrop Post a Letter. Claremont books, 1996.

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