APA (7th ed.) Citation

Willen, E. (1976). Phytoplanktonin Lake Hjälmaren.

Chicago Style (17th ed.) Citation

Willen, Eva. Phytoplanktonin Lake Hjälmaren. Uppsala, 1976.

MLA (9th ed.) Citation

Willen, Eva. Phytoplanktonin Lake Hjälmaren. 1976.

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