APA (7th ed.) Citation

NumanI & Muhammad Saleem. (1976). Omar the great (the second caliph of Islam) vol. I and vol II. Sh. Muhammad Ashraf.

Chicago Style (17th ed.) Citation

NumanI and Muhammad Saleem. Omar the Great (the Second Caliph of Islam) Vol. I and Vol II. Lahore: Sh. Muhammad Ashraf, 1976.

MLA (8th ed.) Citation

NumanI and Muhammad Saleem. Omar the Great (the Second Caliph of Islam) Vol. I and Vol II. Sh. Muhammad Ashraf, 1976.

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