APA (7th ed.) Citation

Kalang, J., & Seddek, E. S. (2011). Gender identity disorder / Janet Kalang and Ezzah Syafiqah Seddek.

Chicago Style (17th ed.) Citation

Kalang, Janet, and Ezzah Syafiqah Seddek. Gender Identity Disorder / Janet Kalang and Ezzah Syafiqah Seddek. 2011.

MLA (9th ed.) Citation

Kalang, Janet, and Ezzah Syafiqah Seddek. Gender Identity Disorder / Janet Kalang and Ezzah Syafiqah Seddek. 2011.

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