Gaya APA

Khalid, M, K. et al (2016). Biografi Khalifah Rasulullah : Abu Bakar, Umar, Utsman, Ali, Umar bin Abdul Aziz (Cetakan III). Jakarta: Ummul Qura.

Gaya MLA

Khalid, Muhammad, Khalid. et al. "Biografi Khalifah Rasulullah : Abu Bakar, Umar, Utsman, Ali, Umar bin Abdul Aziz". Cetakan III Jakarta: Ummul Qura, 2016. Book.