APA (7th ed.) Citation

Christanday, A. Mengapa Saya Sakit? PT. Panji Graha.

Chicago Style (17th ed.) Citation

Christanday, Andreas. Mengapa Saya Sakit? PT. Panji Graha.

MLA (8th ed.) Citation

Christanday, Andreas. Mengapa Saya Sakit? PT. Panji Graha.

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