APA (7th ed.) Citation

Ball & David. (1996). The case of the walkabout clock. Rhythm Pub.

Chicago Style (17th ed.) Citation

Ball and David. The Case of the Walkabout Clock. Pulau Pinang: Rhythm Pub, 1996.

MLA (8th ed.) Citation

Ball and David. The Case of the Walkabout Clock. Rhythm Pub, 1996.