APA (7th ed.) Citation

Biro, V. (1969). Gumdrop on the move / story and pictures by Val Biro. Brockhampton Press.

Chicago Style (17th ed.) Citation

Biro, Val. Gumdrop on the Move / Story and Pictures by Val Biro. Leicester: Brockhampton Press, 1969.

MLA (9th ed.) Citation

Biro, Val. Gumdrop on the Move / Story and Pictures by Val Biro. Brockhampton Press, 1969.

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