APA (7th ed.) Citation

(1993). Counting age 4+: Series 2. Ladybird books ltd..

Chicago Style (17th ed.) Citation

Counting Age 4+: Series 2. London: Ladybird books ltd., 1993.

MLA (9th ed.) Citation

Counting Age 4+: Series 2. Ladybird books ltd., 1993.

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