APA (7th ed.) Citation

UMAM, K. Lorong - Lorong Waktu. Humaniora Press.

Chicago Style (17th ed.) Citation

UMAM, Khairul. Lorong - Lorong Waktu. Humaniora Press.

MLA (8th ed.) Citation

UMAM, Khairul. Lorong - Lorong Waktu. Humaniora Press.

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