APA (7th ed.) Citation

Bergesen, H. O., & Parmann, G. (1993). Green globe yearbook. Oxford University Press.

Chicago Style (17th ed.) Citation

Bergesen, Helge Ole, and Georg Parmann. Green Globe Yearbook. Oxford: Oxford University Press, 1993.

MLA (9th ed.) Citation

Bergesen, Helge Ole, and Georg Parmann. Green Globe Yearbook. Oxford University Press, 1993.