APA (7th ed.) Citation

Shibli Numani, S. U. (1943). Omar the great (the second Caliph of Islam) (2nd ed.). Sh. Muhammad Asraf.

Chicago Style (17th ed.) Citation

Shibli Numani, Shamsul' Ulama'. Omar the Great (the Second Caliph of Islam). 2nd ed. Lahore: Sh. Muhammad Asraf, 1943.

MLA (9th ed.) Citation

Shibli Numani, Shamsul' Ulama'. Omar the Great (the Second Caliph of Islam). 2nd ed. Sh. Muhammad Asraf, 1943.