Wade, N. (1998). Scientists cast doubts on Dolly. Today.
Cita Chicago (17th ed.)Wade, Nicholas. "Scientists Cast Doubts on Dolly." Today 1998.
Cita MLA (9th ed.)Wade, Nicholas. "Scientists Cast Doubts on Dolly." Today, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.