APA (7th ed.) Citation

Doreen Tham. (2006). I can't go back to sleep. Ekpress Education.

Chicago Style (17th ed.) Citation

Doreen Tham. I Can't Go Back to Sleep. Selangor: Ekpress Education, 2006.

MLA (9th ed.) Citation

Doreen Tham. I Can't Go Back to Sleep. Ekpress Education, 2006.

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