APA (7th ed.) Citation

Hallworth, G., & Lisa, K. (1996). Sleep tight. Cambridge University Press ; New Delhi.

Chicago Style (17th ed.) Citation

Hallworth, Grace, and Kopper Lisa. Sleep Tight. Cambridge : Cambridge house: Cambridge University Press ; New Delhi, 1996.

MLA (8th ed.) Citation

Hallworth, Grace, and Kopper Lisa. Sleep Tight. Cambridge University Press ; New Delhi, 1996.