APA (7th ed.) Citation

(1990). The North Sea oil and gas activity and concession map 1990.

Chicago Style (17th ed.) Citation

The North Sea Oil and Gas Activity and Concession Map 1990. Ledbury, Herefordshire, 1990.

MLA (9th ed.) Citation

The North Sea Oil and Gas Activity and Concession Map 1990. 1990.

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