APA (7th ed.) Citation

(1997). Main types of geological maps: Purpose, use and preparation. Oxford & IBH Publ. Co. u.a.

Chicago Style (17th ed.) Citation

Main Types of Geological Maps: Purpose, Use and Preparation. New Delhi u.a: Oxford & IBH Publ. Co. u.a, 1997.

MLA (9th ed.) Citation

Main Types of Geological Maps: Purpose, Use and Preparation. Oxford & IBH Publ. Co. u.a, 1997.