Cita APA

Wallsten, M., & Wallsten, M. (1981). Changes of lakes in Uppland central Sweden during 40 years. Almqvist & Wiksell International.

Citación estilo Chicago

Wallsten, Maud, y Maud Wallsten. Changes of Lakes in Uppland Central Sweden During 40 Years. Almqvist & Wiksell International, 1981.

Cita MLA

Wallsten, Maud, y Maud Wallsten. Changes of Lakes in Uppland Central Sweden During 40 Years. Almqvist & Wiksell International, 1981.

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