APA Citation

Headlam, C. (1991). Science encyclopedia: 9 (sonar.turtle). London: Kingfisher.

Chicago Style Citation

Headlam, Catherine. Science Encyclopedia: 9 (sonar.turtle). London: Kingfisher, 1991.

MLA Citation

Headlam, Catherine. Science Encyclopedia: 9 (sonar.turtle). London: Kingfisher, 1991.

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