APA (7th ed.) Citation

Ahlberg, J., & Ahlberg, A. (1989). Burglar Bill / Janet & Allan Ahlberg. Mammoth.

Chicago Style (17th ed.) Citation

Ahlberg, Janet, and Allan Ahlberg. Burglar Bill / Janet & Allan Ahlberg. London: Mammoth, 1989.

MLA (9th ed.) Citation

Ahlberg, Janet, and Allan Ahlberg. Burglar Bill / Janet & Allan Ahlberg. Mammoth, 1989.

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