APA (7th ed.) Citation
Engel, S., Pagiola, S., & Wunder, S. (2008). Payments for environmental services in theory and practice: An overview of the issues.
Chicago Style (17th ed.) Citation
Engel, S., S. Pagiola, and Sven Wunder. Payments for Environmental Services in Theory and Practice: An Overview of the Issues. 2008.
MLA (9th ed.) Citation
Engel, S., et al. Payments for Environmental Services in Theory and Practice: An Overview of the Issues. 2008.
Warning: These citations may not always be 100% accurate.