APA (7th ed.) Citation

Iqbal, M. (1967). Letters & writings of Iqbāl.

Chicago Style (17th ed.) Citation

Iqbal, Muhammad. Letters & Writings of Iqbāl. 1967.

MLA (9th ed.) Citation

Iqbal, Muhammad. Letters & Writings of Iqbāl. 1967.

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