Gaya APA

Umar, N. (2018). Khutbah-khutbah Imam Besar (Cet. 2). Jakarta: Pustaka Iiman.

Gaya MLA

Umar, Nasaruddin. "Khutbah-khutbah Imam Besar". Cet. 2 Jakarta: Pustaka Iiman, 2018. Book.