APA (7th ed.) Citation

Mahmud & Nurul Izzah Mukhtar. (2011). Kenapa harus berzikir? Al-Hidayah Publications.

Chicago Style (17th ed.) Citation

Mahmud and Nurul Izzah Mukhtar. Kenapa Harus Berzikir? Batu Caves, Selangor: Al-Hidayah Publications, 2011.

MLA (8th ed.) Citation

Mahmud and Nurul Izzah Mukhtar. Kenapa Harus Berzikir? Al-Hidayah Publications, 2011.