APA

Jansson B. O., Wulff F., . (1977). Ecosystem analysis of a shallow sound in the northern Baltic. Stockholm, Sweden: University of Stockholm, Department of Zoology.

Chicago

Jansson Bengt Owe, Wulff Fredrik, . 1977. Ecosystem analysis of a shallow sound in the northern Baltic. Stockholm, Sweden: University of Stockholm, Department of Zoology.

Harvard

Jansson B. O., Wulff F., . (1977). Ecosystem analysis of a shallow sound in the northern Baltic. Stockholm, Sweden: University of Stockholm, Department of Zoology.

MLA

Jansson Bengt Owe, Wulff Fredrik, . Ecosystem analysis of a shallow sound in the northern Baltic. Stockholm, Sweden: University of Stockholm, Department of Zoology. 1977.