APA (7th ed.) Citation

Matthies, K., & Timm, H. (1998). World commodity prices 1998-1999: Report presented to the AIECE spring meeting, Zurich, Ma y 7-8, 1998. HWWA.

Chicago Style (17th ed.) Citation

Matthies, Klaus, and Hans-Joachim Timm. World Commodity Prices 1998-1999: Report Presented to the AIECE Spring Meeting, Zurich, Ma Y 7-8, 1998. Hamburg: HWWA, 1998.

MLA (9th ed.) Citation

Matthies, Klaus, and Hans-Joachim Timm. World Commodity Prices 1998-1999: Report Presented to the AIECE Spring Meeting, Zurich, Ma Y 7-8, 1998. HWWA, 1998.