Trích dẫn APA

Mitchell, E. (1975). Porpoise,dolphin and small whale fisheries of the world: Status and problems. International Union for Conservation of Nature and Natural Resources.

Trích dẫn kiểu Chicago

Mitchell, Edward. Porpoise,dolphin and Small Whale Fisheries of the World: Status and Problems. Switzerland: International Union for Conservation of Nature and Natural Resources, 1975.

Trích dẫn MLA

Mitchell, Edward. Porpoise,dolphin and Small Whale Fisheries of the World: Status and Problems. International Union for Conservation of Nature and Natural Resources, 1975.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.