APA (7th ed.) Citation

Ptak, M., Szyga-Pluta, K., & Sojka, M. Long-term trends in water level fluctuations in lowland lakes in central Europe (Northern Poland). Nature Portfolio.

Chicago Style (17th ed.) Citation

Ptak, Mariusz, Katarzyna Szyga-Pluta, and Mariusz Sojka. Long-term Trends in Water Level Fluctuations in Lowland Lakes in Central Europe (Northern Poland). Nature Portfolio.

MLA (9th ed.) Citation

Ptak, Mariusz, et al. Long-term Trends in Water Level Fluctuations in Lowland Lakes in Central Europe (Northern Poland). Nature Portfolio.

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