APA (7th ed.) Citation

Duncan, Heisbourg, & Opatowski. (2000). Trouble spots: The world atlas of strategic information. Sutton Publishing.

Chicago Style (17th ed.) Citation

Duncan, Heisbourg, and Opatowski. Trouble Spots: The World Atlas of Strategic Information. Gloucestershire: Sutton Publishing, 2000.

MLA (8th ed.) Citation

Duncan, et al. Trouble Spots: The World Atlas of Strategic Information. Sutton Publishing, 2000.