APA (7th ed.) Citation

(1980). North Sea, northern area, oil and gas activity and concession map 1980. Offshore Promotional Services.

Chicago Style (17th ed.) Citation

North Sea, Northern Area, Oil and Gas Activity and Concession Map 1980. Maidenhead u.a: Offshore Promotional Services, 1980.

MLA (9th ed.) Citation

North Sea, Northern Area, Oil and Gas Activity and Concession Map 1980. Offshore Promotional Services, 1980.