APA (7th ed.) Citation
Hagman, N., & Kukkamäki, T. J. (1938). The Variations in the catch of salmon and the water levels of the rivers: With a math. treatment of the question by T[auno] J[ohannes] Kukkamäki.
Chicago Style (17th ed.) Citation
Hagman, Nils, and Tauno Johannes Kukkamäki. The Variations in the Catch of Salmon and the Water Levels of the Rivers: With a Math. Treatment of the Question by T[auno] J[ohannes] Kukkamäki. Helsinki, 1938.
MLA (9th ed.) Citation
Hagman, Nils, and Tauno Johannes Kukkamäki. The Variations in the Catch of Salmon and the Water Levels of the Rivers: With a Math. Treatment of the Question by T[auno] J[ohannes] Kukkamäki. 1938.
Warning: These citations may not always be 100% accurate.