APA (7th ed.) Citation

Ahlberg, J., & Ahlberg, A. (1999). Funnybones / Janet & Allan Ahlberg. Puffin.

Chicago Style (17th ed.) Citation

Ahlberg, Janet, and Allan Ahlberg. Funnybones / Janet & Allan Ahlberg. London: Puffin, 1999.

MLA (9th ed.) Citation

Ahlberg, Janet, and Allan Ahlberg. Funnybones / Janet & Allan Ahlberg. Puffin, 1999.

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