APA (7th ed.) Citation

Amin al-Anshari, Norhaslinda, & Sugeng Hariyadi. Ketika alam bertahlil. Synergy Media.

Chicago Style (17th ed.) Citation

Amin al-Anshari, Norhaslinda, and Sugeng Hariyadi. Ketika Alam Bertahlil. Kuala Lumpur: Synergy Media.

MLA (9th ed.) Citation

Amin al-Anshari, et al. Ketika Alam Bertahlil. Synergy Media.