APA (7th ed.) Citation

Ajmal, M. (1963). Our knowledge of the external world. Pakistan Philosophical Congress Publication.

Chicago Style (17th ed.) Citation

Ajmal, Muhammad. "Our Knowledge of the External World." Pakistan Philosophical Congress Publication 1963.

MLA (8th ed.) Citation

Ajmal, Muhammad. "Our Knowledge of the External World." Pakistan Philosophical Congress Publication, 1963.

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