APA (7th ed.) Citation

Chapman, J. D. (1989). Geography and energy: Commercial energy systems and national policies. Longman.

Chicago Style (17th ed.) Citation

Chapman, J. D. Geography and Energy: Commercial Energy Systems and National Policies. New York [u.a.]: Longman, 1989.

MLA (9th ed.) Citation

Chapman, J. D. Geography and Energy: Commercial Energy Systems and National Policies. Longman, 1989.