APA (7th ed.) Citation

Siebert, H., & Eichberger, J. (1980). Trade and environment: A theoretical enquiry. Studies in environmental science.

Chicago Style (17th ed.) Citation

Siebert, Horst, and Jürgen Eichberger. "Trade and Environment: A Theoretical Enquiry." Studies in Environmental Science 1980.

MLA (9th ed.) Citation

Siebert, Horst, and Jürgen Eichberger. "Trade and Environment: A Theoretical Enquiry." Studies in Environmental Science, 1980.

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