APA (7th ed.) Citation

Zulkifli Mohd. Yusoff & Ulin Nuha Muhammad. (2009). Sejarah Khalifah Rasulullah. PTS Islamika.

Chicago Style (17th ed.) Citation

Zulkifli Mohd. Yusoff and Ulin Nuha Muhammad. Sejarah Khalifah Rasulullah. Selangor: PTS Islamika, 2009.

MLA (8th ed.) Citation

Zulkifli Mohd. Yusoff and Ulin Nuha Muhammad. Sejarah Khalifah Rasulullah. PTS Islamika, 2009.

Warning: These citations may not always be 100% accurate.