Trích dẫn APA

Holden, P. (1999). Safety of genetically engineered foods is still dubious. British Medical Journal.

Trích dẫn kiểu Chicago

Holden, Patrick. Safety of Genetically Engineered Foods Is Still Dubious. British Medical Journal, 1999.

Trích dẫn MLA

Holden, Patrick. Safety of Genetically Engineered Foods Is Still Dubious. British Medical Journal, 1999.

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