APA

Dragesund O., . (1964). Studies on the Sardine ( Sardina pilchardus Walb.) and Anchovy (Engraulis encrasicholus L.) in the Gulf of Naples and Their Behaviour to Artificial Light: FAO Studies and Reviews - General Fisheries Council for the Mediterranean No.23. Rome: Food and Agriculture Organization of the United Nations.

Chicago

Dragesund Olav, . 1964. Studies on the Sardine ( Sardina pilchardus Walb.) and Anchovy (Engraulis encrasicholus L.) in the Gulf of Naples and Their Behaviour to Artificial Light: FAO Studies and Reviews - General Fisheries Council for the Mediterranean No.23. Rome: Food and Agriculture Organization of the United Nations.

Harvard

Dragesund O., . (1964). Studies on the Sardine ( Sardina pilchardus Walb.) and Anchovy (Engraulis encrasicholus L.) in the Gulf of Naples and Their Behaviour to Artificial Light: FAO Studies and Reviews - General Fisheries Council for the Mediterranean No.23. Rome: Food and Agriculture Organization of the United Nations.

MLA

Dragesund Olav, . Studies on the Sardine ( Sardina pilchardus Walb.) and Anchovy (Engraulis encrasicholus L.) in the Gulf of Naples and Their Behaviour to Artificial Light: FAO Studies and Reviews - General Fisheries Council for the Mediterranean No.23. Rome: Food and Agriculture Organization of the United Nations. 1964.