Gaya APA

Bjorn, I. et al (2023). E-book Lake Ladoga : The Coastal History of the Greatest Lake in Europe . Finland: Finnish Literature Society / SKS.

Gaya MLA

Bjorn, Ismo. et al. "E-book Lake Ladoga : The Coastal History of the Greatest Lake in Europe". Finland: Finnish Literature Society / SKS, 2023. Text.