APA (7th ed.) Citation

Siddiqui, A. H. (1966). A guide to reference books published in Pakistan. Pakistan Reference Publications.

Chicago Style (17th ed.) Citation

Siddiqui, Akhtar H. A Guide to Reference Books Published in Pakistan. Karachi: Pakistan Reference Publications, 1966.

MLA (9th ed.) Citation

Siddiqui, Akhtar H. A Guide to Reference Books Published in Pakistan. Pakistan Reference Publications, 1966.