APA (7th ed.) Citation

(1989). Emeralds of Pakistan: Geology, gemology and genesis. Geological Survey of Pakistan u.a.

Chicago Style (17th ed.) Citation

Emeralds of Pakistan: Geology, Gemology and Genesis. Karachi: Geological Survey of Pakistan u.a, 1989.

MLA (9th ed.) Citation

Emeralds of Pakistan: Geology, Gemology and Genesis. Geological Survey of Pakistan u.a, 1989.

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