APA (7th ed.) Citation
Weikard, H. (2002). Diversity functions and the value of biodiversity. Land Economics, 78(1), 20-28.
Chicago Style (17th ed.) Citation
Weikard, Hans-Peter. "Diversity Functions and the Value of Biodiversity." Land Economics 78, no. 1 (2002): 20-28.
MLA (9th ed.) Citation
Weikard, Hans-Peter. "Diversity Functions and the Value of Biodiversity." Land Economics, vol. 78, no. 1, 2002, pp. 20-28.
Warning: These citations may not always be 100% accurate.