APA (7th ed.) Citation

Henle, K., Klenke, R. A., Barth, M. B., Grimm-Seyfarth, A., & Bowler, D. E. Challenges and opportunities for assessing trends of amphibians with heterogeneous data – a call for better metadata reporting. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Henle, Klaus, Reinhard A. Klenke, M. Benjamin Barth, Annegret Grimm-Seyfarth, and Diana E. Bowler. Challenges and Opportunities for Assessing Trends of Amphibians with Heterogeneous Data – a Call for Better Metadata Reporting. Pensoft Publishers.

MLA (9th ed.) Citation

Henle, Klaus, et al. Challenges and Opportunities for Assessing Trends of Amphibians with Heterogeneous Data – a Call for Better Metadata Reporting. Pensoft Publishers.

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