Gaya APA

Harahap, S., Nasution, H, B. (2009). Ensiklopedia akidah Islam/Syahrin Harahap, Hasan Bakti Nasution (Ed.1, cet.2). Jakarta: Prenada Media Group.

Gaya MLA

Harahap, Syahrin., Nasution, Hasan, Bakti. "Ensiklopedia akidah Islam/Syahrin Harahap, Hasan Bakti Nasution". Ed.1, cet.2 Jakarta: Prenada Media Group, 2009. Text.